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                <description>A name given to the resource</description>
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                    <text>Electrostatic generator. A green glass ball mounted on a spindle with a crank in a wooden frame, with a cushion pressing against the bottom of the ball.</text>
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                  <text>Copland Teaching Apparatus</text>
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            <description>A name given to the resource</description>
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                <text>Electrostatic generator. A green glass ball mounted on a spindle with a crank in a wooden frame, with a cushion pressing against the bottom of the ball.</text>
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            <description>An unambiguous reference to the resource within a given context</description>
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                <text>ABDUA:18382</text>
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            <description>An account of the resource</description>
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                <text>NB: The 1823 inventory of Copland's collection lists some glass globe generators like this one, but the provenance of this generator is unknown. It is certainly of an 18th century design so Copland would have had one very similar at least. While it cannot be identified as part of Copland's collection it is included for illustrative purposes.&#13;
&#13;
Small green glass globe with continuous rod through the globe. A cushion fitted to the base of the machine rubs the underside of the globe. Gearing between handle and globe.</text>
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            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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                <text>1700-1800</text>
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            <description>The file format, physical medium, or dimensions of the resource</description>
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                <text>glass, wood, metal, steel&#13;
Length (base): 203 mm Diameter (globe): 101 mm</text>
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            <description>The nature or genre of the resource</description>
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                <description>A name given to the resource</description>
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                    <text>Dip quadrant. A long steel needle mounted on a brass stand allowing it to rotate in one direction. An arc of brass projects from the base of the stand in the same direction as the rotation of the needle. The arc is marked with a degrees scale.</text>
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              <description>A name given to the resource</description>
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                  <text>Copland Teaching Apparatus</text>
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            <description>A name given to the resource</description>
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                <text>Dip quadrant. A long steel needle mounted on a brass stand allowing it to rotate in one direction. An arc of brass projects from the base of the stand in the same direction as the rotation of the needle. The arc is marked with a degrees scale.</text>
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            <description>An unambiguous reference to the resource within a given context</description>
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                <text>ADBNP:202091a</text>
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            <description>An account of the resource</description>
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                <text>For determining the angle of tilt from the vertical of the local magnetic field. Brass dip quadrant calibrated at 2 degree intervals from 0 (at bottom) to 84 degrees on circular brass base with embeeded lead weight. Pivoted lozenge-shaped needle pointed at both ends is centrally balanced on pivot. Stamped on base 'Univ. Abdn. Nat. Phil.' and also with paper label on base 'The Property of the University of Aberdeen'.</text>
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            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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                <text>1790-1840</text>
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            <description>The file format, physical medium, or dimensions of the resource</description>
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                <text>brass</text>
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            <description>The nature or genre of the resource</description>
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                <text>Physical Object</text>
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                <name>Title</name>
                <description>A name given to the resource</description>
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                    <text>Combustion tube. A glass tube about 40 centimetres long with brass fittings and turned wooden knobs on either end. On one end the knob can be pulled or pushed to operate a plunger inside the tube.</text>
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              <description>A name given to the resource</description>
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                  <text>Copland Teaching Apparatus</text>
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            <description>A name given to the resource</description>
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                <text>Combustion tube. A glass tube about 40 centimetres long with brass fittings and turned wooden knobs on either end. On one end the knob can be pulled or pushed to operate a plunger inside the tube.</text>
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            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
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                <text>ABDNP:201763a</text>
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            <name>Description</name>
            <description>An account of the resource</description>
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                <text>Thick glass tube with hand operated piston with brass end caps; wooden 'doorknob' handles at either end; inflammable vapour is inserted into tube (ether?) and then compressed firmly with piston; when compression is high enough the vapour spontaneously explodes with flash (explosion of vapour under compression is principal behind diesel engine, demonstration predates Diesel's development by a century).</text>
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            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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                <text>1780-1810</text>
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            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
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                <text>glass, brass, wood, metal&#13;
length 410 mm; diameter 50 mm</text>
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            <name>Type</name>
            <description>The nature or genre of the resource</description>
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                <text>Physical Object</text>
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                <name>Title</name>
                <description>A name given to the resource</description>
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                    <text>Spark or flicker tube. A glass tube with bulbous brass ends and a spiral of silver metal dots running along the inside.</text>
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              <description>A name given to the resource</description>
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                  <text>Copland Teaching Apparatus</text>
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            <name>Title</name>
            <description>A name given to the resource</description>
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                <text>Spark or flicker tube. A glass tube with bulbous brass ends and a spiral of silver metal dots running along the inside.</text>
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          <element elementId="43">
            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
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                <text>ABDNP:201762a</text>
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          <element elementId="41">
            <name>Description</name>
            <description>An account of the resource</description>
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                <text>Glass tube with brass ends; with ball terminals; inside tube is spiral of small metal discs each seperated by gap of less than 1 mm; when tube is placed across an electrostatic generator, a spiral discharge is seen around inside of tube caused by sparking between metal discs</text>
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            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
            <elementTextContainer>
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                <text>1780-1810</text>
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            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
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                <text>glass, brass, metal&#13;
length 330 mm; diameter 25 mm</text>
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            <description>The nature or genre of the resource</description>
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                <text>Physical Object</text>
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                <name>Title</name>
                <description>A name given to the resource</description>
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                    <text>Diagonal machine. A small square wooden frame, about a foot wide. A slightly smaller frame slides horizontally out. A brass ball on a string and attached to a pulley on the smaller frame moves diagonally upwards as the frame is slid horizontally.</text>
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              <description>A name given to the resource</description>
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                  <text>Copland Teaching Apparatus</text>
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        <elementContainer>
          <element elementId="50">
            <name>Title</name>
            <description>A name given to the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87760">
                <text>Diagonal machine. A small square wooden frame, about a foot wide. A slightly smaller frame slides horizontally out. A brass ball on a string and attached to a pulley on the smaller frame moves diagonally upwards as the frame is slid horizontally.</text>
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          </element>
          <element elementId="43">
            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
            <elementTextContainer>
              <elementText elementTextId="87761">
                <text>ABDNP:201403a</text>
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          </element>
          <element elementId="41">
            <name>Description</name>
            <description>An account of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87762">
                <text>Demonstration originated by James Ferguson to illustrate that the sum of compound motions at right angles produce a diagonal displacement. Wooden frame sliding element holding with brass ball on rod that slides up rod as frame is moved sideways. Disk "Univ. Abdn. Nat. Phil."</text>
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          </element>
          <element elementId="39">
            <name>Creator</name>
            <description>An entity primarily responsible for making the resource</description>
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                <text>Patrick Copland</text>
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          </element>
          <element elementId="40">
            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87764">
                <text>1780-1790</text>
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            </elementTextContainer>
          </element>
          <element elementId="42">
            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87765">
                <text>wood, brass, string&#13;
255 mm wide, 75 mm deep, height 225 mm</text>
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            <name>Type</name>
            <description>The nature or genre of the resource</description>
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                <text>Physical Object</text>
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        <name>Copland</name>
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                <description>A name given to the resource</description>
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                    <text>Insulating stand. A thin brass disc about 15 centimetres wide on a glass pillar with a turned wooden base.</text>
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            <name>Title</name>
            <description>A name given to the resource</description>
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              <elementText elementTextId="87753">
                <text>Insulating stand. A thin brass disc about 15 centimetres wide on a glass pillar with a turned wooden base.</text>
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            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
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              <elementText elementTextId="87754">
                <text>ABDNP:201397a</text>
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            <description>An account of the resource</description>
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                <text>Wooden base with glass pillar and brass table for electrostatic experiments.</text>
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            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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                <text>circa 1800</text>
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            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
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                <text>wood, glass, brass&#13;
base diameter 125 mm, table diameter 155 mm, height 215 mm</text>
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            <name>Type</name>
            <description>The nature or genre of the resource</description>
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        <name>Copland</name>
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                <name>Title</name>
                <description>A name given to the resource</description>
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                    <text>Anamorphic drawings. Four coloured drawings on paper discs with a tall curved mirror placed at the centre: a butterfly, a man on a horse, a bust of a man's head, and two men arguing; the drawings appear normal in the mirror but are stretched out and curved on the paper.</text>
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              <description>A name given to the resource</description>
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                  <text>Copland Teaching Apparatus</text>
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            <name>Title</name>
            <description>A name given to the resource</description>
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                <text>Anamorphic drawings. Four coloured drawings on paper discs with a tall curved mirror placed at the centre: a butterfly, a man on a horse, a bust of a man's head, and two men arguing; the drawings appear normal in the mirror but are stretched out and curved on the paper.</text>
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            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
            <elementTextContainer>
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                <text>ABDNP:200412a, 201396a</text>
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          <element elementId="41">
            <name>Description</name>
            <description>An account of the resource</description>
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                <text>A hemispherical polished speculum cylinder mounted in a wood pillar case with brass small handle. Tin-plate storage case. Ivory maker's plate inlaid into pillar. Accompanied by a selection of early 19th century anamorphic drawings.&#13;
&#13;
6 anamorphic drawings on circular sheets of waxy paper. Small hole in centre of sheets:&#13;
1) drawing of person in yellow cravat chained to a rock speaking with man in green jacket. Characters not yet identified.&#13;
2) blue, yellow and black drawing of (swallow-tail?) butterfly&#13;
3) Black and white drawing of Napoleon(?) on horseback, most of diagram black inked&#13;
4) Black and white drawing of bust (could it be Wellington?, not yet checked)&#13;
5) Leaf-based pattern more black than white&#13;
6) Coloured drawings around 360 degrees of flowers on black ground</text>
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            <name>Creator</name>
            <description>An entity primarily responsible for making the resource</description>
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                <text>mirror: W &amp; S Jones, London</text>
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          </element>
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            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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                <text>mirror: 1790-1820&#13;
drawings: 1810-1830</text>
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            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87750">
                <text>mirror:&#13;
speculum metal (copper, tin and arsenic alloy), wood&#13;
box - 145mm high x 85mm x 50mm box&#13;
&#13;
drawings:&#13;
paper, paint&#13;
diameter 205 mm&#13;
</text>
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          </element>
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            <name>Type</name>
            <description>The nature or genre of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87751">
                <text>Physical Object</text>
              </elementText>
            </elementTextContainer>
          </element>
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              <element elementId="50">
                <name>Title</name>
                <description>A name given to the resource</description>
                <elementTextContainer>
                  <elementText elementTextId="87744">
                    <text>Suction pump. A glass tube with a small brass fitting covering the top and a larger one on the bottom. Hinged on to the bottom fitting is a brass plunger with the end wrapped in fabric, operated with a lever. A small pipe also projects from the bottom fitting.</text>
                  </elementText>
                </elementTextContainer>
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    </fileContainer>
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            <element elementId="50">
              <name>Title</name>
              <description>A name given to the resource</description>
              <elementTextContainer>
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                  <text>Copland Teaching Apparatus</text>
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    <elementSetContainer>
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        <elementContainer>
          <element elementId="50">
            <name>Title</name>
            <description>A name given to the resource</description>
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              <elementText elementTextId="87738">
                <text>Suction pump. A glass tube with a small brass fitting covering the top and a larger one on the bottom. Hinged on to the bottom fitting is a brass plunger with the end wrapped in fabric, operated with a lever. A small pipe also projects from the bottom fitting.</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="43">
            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
            <elementTextContainer>
              <elementText elementTextId="87739">
                <text>ABDNP:200535a</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="41">
            <name>Description</name>
            <description>An account of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87740">
                <text>Wooden box containing demonstration suction pump in two parts; glass barrel illustrates operation of two valves, one at base of barrel and one in piston; instrument sits on velvet cloth and there seem to be space for other instrument. Matches item in Copland's 1822 inventory.</text>
              </elementText>
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          </element>
          <element elementId="40">
            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87741">
                <text>1790-1905</text>
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            </elementTextContainer>
          </element>
          <element elementId="42">
            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87742">
                <text>wood, textile, brass, glass&#13;
Box: length 355 mm; width 190 mm; height 105 mm</text>
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            </elementTextContainer>
          </element>
          <element elementId="51">
            <name>Type</name>
            <description>The nature or genre of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87743">
                <text>Physical Object</text>
              </elementText>
            </elementTextContainer>
          </element>
        </elementContainer>
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    </elementSetContainer>
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      <tag tagId="1248">
        <name>Copland</name>
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      <file fileId="5343">
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              <name>Title</name>
              <description>A name given to the resource</description>
              <elementTextContainer>
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                  <text>Copland Teaching Apparatus</text>
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              </elementTextContainer>
            </element>
          </elementContainer>
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        <elementContainer>
          <element elementId="50">
            <name>Title</name>
            <description>A name given to the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87732">
                <text>Discharging tongs. Two metal rods with balls on the end fixed to a glass rod with a wooden handle. The metal rods are mounted on wheels allowing them to be rotated together or apart.</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="43">
            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
            <elementTextContainer>
              <elementText elementTextId="87733">
                <text>ABDNP:200471a</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="41">
            <name>Description</name>
            <description>An account of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87734">
                <text>twin brass rods hinged at one end fitted on a glass insulating rod and wooden handle. Each rod terminates in a brass sphere; for removal of charge from electrostatically charged spheres. Likely to be one of Copland's "Discharging rod, jointed, glass handle" two of which are mentioned in the 1823 inventory.</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="40">
            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87735">
                <text>1780-1810</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="42">
            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87736">
                <text>brass, glass, wood&#13;
550 mm long, glass rod 15 mm diameter</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="51">
            <name>Type</name>
            <description>The nature or genre of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87737">
                <text>Physical Object</text>
              </elementText>
            </elementTextContainer>
          </element>
        </elementContainer>
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    </elementSetContainer>
    <tagContainer>
      <tag tagId="1248">
        <name>Copland</name>
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  <item itemId="11386" public="1" featured="0">
    <fileContainer>
      <file fileId="5342">
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            <elementContainer>
              <element elementId="50">
                <name>Title</name>
                <description>A name given to the resource</description>
                <elementTextContainer>
                  <elementText elementTextId="87731">
                    <text>Oscillating prism. A small glass prism connected to a brass mechanism with a crank.</text>
                  </elementText>
                </elementTextContainer>
              </element>
            </elementContainer>
          </elementSet>
        </elementSetContainer>
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    </fileContainer>
    <collection collectionId="39">
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          <elementContainer>
            <element elementId="50">
              <name>Title</name>
              <description>A name given to the resource</description>
              <elementTextContainer>
                <elementText elementTextId="87552">
                  <text>Copland Teaching Apparatus</text>
                </elementText>
              </elementTextContainer>
            </element>
          </elementContainer>
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    <elementSetContainer>
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        <elementContainer>
          <element elementId="50">
            <name>Title</name>
            <description>A name given to the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87725">
                <text>Oscillating prism. A small glass prism connected to a brass mechanism with a crank.</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="43">
            <name>Identifier</name>
            <description>An unambiguous reference to the resource within a given context</description>
            <elementTextContainer>
              <elementText elementTextId="87726">
                <text>ABDNP:200393a</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="41">
            <name>Description</name>
            <description>An account of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87727">
                <text>Equiangular triangular prism, 13 mm side x 43 mm long (incl. brass ends) setting vertically on base made to oscillate 6 times for every rotation of an ivory handle. Could be the device mentioned in Copland's inventory. The design is very similar to the illustrations of C.R. Alder Wright</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="40">
            <name>Date</name>
            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87728">
                <text>1790-1890</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="42">
            <name>Format</name>
            <description>The file format, physical medium, or dimensions of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87729">
                <text>glass, brass, ivory&#13;
width 65 mm; depth (incl. handle) 52 mm; height 160 mm</text>
              </elementText>
            </elementTextContainer>
          </element>
          <element elementId="51">
            <name>Type</name>
            <description>The nature or genre of the resource</description>
            <elementTextContainer>
              <elementText elementTextId="87730">
                <text>Physical Object</text>
              </elementText>
            </elementTextContainer>
          </element>
        </elementContainer>
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      <tag tagId="1248">
        <name>Copland</name>
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    </tagContainer>
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