<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dcterms="http://purl.org/dc/terms/">
<rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10099">
    <dcterms:title><![CDATA[Scale expansion unit]]></dcterms:title>
    <dcterms:description><![CDATA[A scale expansion unit for the Grubb Parson Spectrophotometer. 3 dials, 2 ranging from 1 to 10 and the other from 1 to 5 in single divisions. 2 cables. In cardboard box with an assortment of screws, washers and cogs. On unit in white lettering &quot;Grubb Parsons England, Ser. No. 22&quot;.]]></dcterms:description>
    <dcterms:creator><![CDATA[Grubb Parsons]]></dcterms:creator>
    <dcterms:date><![CDATA[1800]]></dcterms:date>
    <dcterms:format><![CDATA[height 60mm, length 120mm, width 95mm]]></dcterms:format>
    <dcterms:format><![CDATA[metal, rubber, plastic]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:200615b]]></dcterms:identifier>
    <dcterms:coverage><![CDATA[England]]></dcterms:coverage>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10100">
    <dcterms:title><![CDATA[Spiral spark tube]]></dcterms:title>
    <dcterms:description><![CDATA[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]]></dcterms:description>
    <dcterms:date><![CDATA[1780-1810]]></dcterms:date>
    <dcterms:format><![CDATA[length 330 mm; diameter 25 mm]]></dcterms:format>
    <dcterms:format><![CDATA[glass; brass; metal]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:201762a]]></dcterms:identifier>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10101">
    <dcterms:title><![CDATA[spark gap]]></dcterms:title>
    <dcterms:description><![CDATA[two nickel (?) balls mounted on insulating rods affixed to a wooden base.  Connection is made to the balls by plug in brass connectors, the connecting wires have been cut off.  Mounted on a rectangular wooden base with four rubber feet, one ball can be moved by a long brass adjusting screw with thumbnut]]></dcterms:description>
    <dcterms:creator><![CDATA[Fraser &amp; McKay Scientific Instrument Makers]]></dcterms:creator>
    <dcterms:format><![CDATA[400mm x 120mm x 360mm high]]></dcterms:format>
    <dcterms:format><![CDATA[nickel, wood, brass, rubber, insulating material]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:200495a]]></dcterms:identifier>
    <dcterms:coverage><![CDATA[Aberdeen]]></dcterms:coverage>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10102">
    <dcterms:title><![CDATA[Trevelyan&#039;s rocking apparatus]]></dcterms:title>
    <dcterms:description><![CDATA[piece of metal on the end of a metal rod.  The metal rod has a brass ball on the other end.  The device is placed on metal block and heated at one end.  When left to cool it moves slightly emitting a rocking sound.]]></dcterms:description>
    <dcterms:creator><![CDATA[unknown]]></dcterms:creator>
    <dcterms:date><![CDATA[1860-1890]]></dcterms:date>
    <dcterms:format><![CDATA[length 445mm, width 48mm, height 12mm]]></dcterms:format>
    <dcterms:format><![CDATA[metal and brass]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:201245a]]></dcterms:identifier>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10103">
    <dcterms:title><![CDATA[stand]]></dcterms:title>
    <dcterms:description><![CDATA[one of a pair, circular base weighted with lead, the vertical tapers upward from a bulbous bottom, terminating with a wing nut for holding a telescopic inner section of glass rod]]></dcterms:description>
    <dcterms:format><![CDATA[base 105mm dia, 350mm high]]></dcterms:format>
    <dcterms:format><![CDATA[bronze, glass, lead]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:200389a]]></dcterms:identifier>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10104">
    <dcterms:title><![CDATA[Avometer]]></dcterms:title>
    <dcterms:description><![CDATA[Manual for Avo multimeter Model 8 Mk II but similar for other Model 8 instruments]]></dcterms:description>
    <dcterms:creator><![CDATA[AVO]]></dcterms:creator>
    <dcterms:date><![CDATA[1970-1980]]></dcterms:date>
    <dcterms:identifier><![CDATA[ABDNP:200948b]]></dcterms:identifier>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10105">
    <dcterms:title><![CDATA[glass bottle]]></dcterms:title>
    <dcterms:description><![CDATA[Glass bottle in the shape of a sector of a circle with a glass stopper.]]></dcterms:description>
    <dcterms:creator><![CDATA[Unknown]]></dcterms:creator>
    <dcterms:date><![CDATA[1800]]></dcterms:date>
    <dcterms:format><![CDATA[height 115mm, length 60mm, width 65mm]]></dcterms:format>
    <dcterms:format><![CDATA[glass]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:200640a]]></dcterms:identifier>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10106">
    <dcterms:title><![CDATA[Carbon rods]]></dcterms:title>
    <dcterms:description><![CDATA[Cardboard box of carbon rods; box of 25; &#039;35-55 amps&#039;; stage arc carbons positive, 18 mm x 6&quot;.]]></dcterms:description>
    <dcterms:creator><![CDATA[G.E.C.]]></dcterms:creator>
    <dcterms:date><![CDATA[1950-1970]]></dcterms:date>
    <dcterms:format><![CDATA[Box: width 160 mm; 100 mm; height 100 mm]]></dcterms:format>
    <dcterms:format><![CDATA[cardboard; carbon]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:201819a]]></dcterms:identifier>
    <dcterms:coverage><![CDATA[England]]></dcterms:coverage>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10107">
    <dcterms:title><![CDATA[light interrupter]]></dcterms:title>
    <dcterms:description><![CDATA[Motor driven metal wheel with 30 rectangular slits attached to a smaller reduced speed cog and bell on a solid cast iron base. Small plate with &quot;W. G. PYE &amp; Co. Cambridge, London&quot;.]]></dcterms:description>
    <dcterms:creator><![CDATA[W. G. PYE &amp; Co.]]></dcterms:creator>
    <dcterms:date><![CDATA[1930-1960]]></dcterms:date>
    <dcterms:format><![CDATA[dam. (wheel) 240mm approx, length 210mm, width 215mm]]></dcterms:format>
    <dcterms:format><![CDATA[metal]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:200666a]]></dcterms:identifier>
    <dcterms:coverage><![CDATA[Cambridge, London]]></dcterms:coverage>
</rdf:Description><rdf:Description rdf:about="https://exhibitions.abdn.ac.uk/university-collections/document/10108">
    <dcterms:title><![CDATA[Selenite sample for polarising mirror]]></dcterms:title>
    <dcterms:description><![CDATA[Selenite sample for polarising mirror set in wooden frame for use in Optician mirror set.]]></dcterms:description>
    <dcterms:creator><![CDATA[E.M Clarke]]></dcterms:creator>
    <dcterms:date><![CDATA[1840-1851]]></dcterms:date>
    <dcterms:format><![CDATA[diam. (total) 90mm, diam. (lens) 45mm]]></dcterms:format>
    <dcterms:format><![CDATA[glass, wood]]></dcterms:format>
    <dcterms:identifier><![CDATA[ABDNP:200644b]]></dcterms:identifier>
    <dcterms:coverage><![CDATA[428 Strand, London, England]]></dcterms:coverage>
</rdf:Description></rdf:RDF>