213 10 3473 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant London Creator An entity primarily responsible for making the resource Elliott Bros. London Date A point or period of time associated with an event in the lifecycle of the resource 1870-1899 Description An account of the resource Lined box containing slits and pinholes for optical bench work. Format The file format, physical medium, or dimensions of the resource wood, iron, brass Identifier An unambiguous reference to the resource within a given context ABDNP:200259a Title A name given to the resource box of slits Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Holland Creator An entity primarily responsible for making the resource Mullard Date A point or period of time associated with an event in the lifecycle of the resource 1800 Description An account of the resource One of 2 Oblong Mullard light bulbs, very fine filament wire in twisting pattern and 4 pins for power connection. Format The file format, physical medium, or dimensions of the resource height 150mm, diam. Approx. 50mm glass, metal, plastic Identifier An unambiguous reference to the resource within a given context ABDNP:200740b Title A name given to the resource Mullard Bulb Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Aberdeen, Scotland Creator An entity primarily responsible for making the resource A. & J. Smith Date A point or period of time associated with an event in the lifecycle of the resource 1800 Description An account of the resource Brass stand on stone base with large circular metal lens holder and small plate with engraving on it. Format The file format, physical medium, or dimensions of the resource height 515mm, diam. (base) 130mm, diam. (holder) 155mm metal, stone Identifier An unambiguous reference to the resource within a given context ABDNP:200694a Title A name given to the resource lens holder Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant London, England Creator An entity primarily responsible for making the resource Adam Hilger Ltd. Date A point or period of time associated with an event in the lifecycle of the resource 1930-1990 Description An account of the resource Large 2 lens objective from a astronomical telescope. Steel casing. Around lens is inscription. Format The file format, physical medium, or dimensions of the resource length 330mm, working diam 150mm glass, metal Identifier An unambiguous reference to the resource within a given context ABDNP:200786a Title A name given to the resource telescope lens Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Date A point or period of time associated with an event in the lifecycle of the resource 1940-1970 Description An account of the resource cardboard box containing fabric mantle; sticker on top of box reads: "Cerium Oxide". This is the standard recipe rare-earth gas mantle. Format The file format, physical medium, or dimensions of the resource box: depth 40 mm; width 42 mm; height 55 mm. cardboard; plastic; textile Identifier An unambiguous reference to the resource within a given context ABDNP:201723a Title A name given to the resource Gas mantle Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Unknown Date A point or period of time associated with an event in the lifecycle of the resource 1890-1950 Description An account of the resource Set of 12 large negatives on a roll. Format The file format, physical medium, or dimensions of the resource width 64mm, length 810mm, thickness <1mm plastic Identifier An unambiguous reference to the resource within a given context ABDNP:200668a Title A name given to the resource negatives Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Unknown Date A point or period of time associated with an event in the lifecycle of the resource 1800 Description An account of the resource Light bulb with very thin filament wire stretched vertically 4 four times. No markings. Screw fitting. Format The file format, physical medium, or dimensions of the resource height 115mm, diam. Approx. 50mm glass, metal Identifier An unambiguous reference to the resource within a given context ABDNP:200742a Title A name given to the resource light bulb Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Unknown Date A point or period of time associated with an event in the lifecycle of the resource 1800-2000 Description An account of the resource rectangular mirror in metal frame with brass 'joint' at back allowing it to be angled Format The file format, physical medium, or dimensions of the resource height 56mm, length 93mm, width (including joint) 70mm metal, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200663a Title A name given to the resource adjustable mirror Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Rochester, New York, USA Creator An entity primarily responsible for making the resource Bausch & Lomb Optical Co. Date A point or period of time associated with an event in the lifecycle of the resource 1917-1925 Description An account of the resource Old projector lamp housing but now modified to hold pointolite light bulb. Separate starter with instructions for starting. On side of casing there is the makers plates. Format The file format, physical medium, or dimensions of the resource height 493mm, length 350mm, width 200mm metal, wood Identifier An unambiguous reference to the resource within a given context ABDNP:200733a Title A name given to the resource projector housing Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant England Creator An entity primarily responsible for making the resource TII Date A point or period of time associated with an event in the lifecycle of the resource 1950-1970 Description An account of the resource Black plastic cone shaped item with 2 telescope ends and a window with a scale from 800 to 1250 degrees Celsius in 5 degree divisions labelled every 50. Complete with cables and housed in original leather case. Format The file format, physical medium, or dimensions of the resource length 300mm, diam. 170mm plastic, metal, leather and felt (case) Identifier An unambiguous reference to the resource within a given context ABDNP:200722a Title A name given to the resource Hot Filament Pyrometer Optical pyrometer