208 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 Essex Creator An entity primarily responsible for making the resource G. Springham & Co. Ltd Harlow New Town, Essex Description An account of the resource a glass spiral differential pressure gauge or manometer. Pyrex glass, mirror surface platinised Pyrex glass. Springham logo with 'Magnum in Vacuo'. In cardboard box marked Prof Taylor 8/8/66 Format The file format, physical medium, or dimensions of the resource box 360mm x 100mm x 100mm glass Identifier An unambiguous reference to the resource within a given context ABDNP:200490a Title A name given to the resource vacuum gauge 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 Robertson Electric Lamps, made in England Date A point or period of time associated with an event in the lifecycle of the resource 1900-1940 Description An account of the resource new 4-turn carbon filament lamp 32 candle power, 230 V. Maker's wrapping paper, with code "5L/1220 230v 32 cp BC" (presumed Bayonet Cap). Marked on bulb "Property of HM Government" and "Robertson made in England" "GEC Ltd 32 c.p. 34". Standard bayonet cap. Same as ABDNP200567a. Format The file format, physical medium, or dimensions of the resource height 110 mm Identifier An unambiguous reference to the resource within a given context ABDNP:200567b Title A name given to the resource Carbon filament lamp 32 cp 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/. Description An account of the resource glass dome with glass knob top Format The file format, physical medium, or dimensions of the resource 230mm high x 170mm dia at widest glass Identifier An unambiguous reference to the resource within a given context ABDNP:200518d Title A name given to the resource glass dome 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 1900-1970 Description An account of the resource roll of negatives in cylindrical box and is labelled Format The file format, physical medium, or dimensions of the resource box: diam. 55mm, height 45mm negatives: length 535mm, width35mm plastic, cardboard (box) Identifier An unambiguous reference to the resource within a given context ABDNP:200669a Title A name given to the resource 35 mm 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 Brass telescope style component with large convex lens on one end creating fish eye effect. 2 clamps on barrel suggesting part of a system. Format The file format, physical medium, or dimensions of the resource length 154mm, diam 45mm metal, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200667a Title A name given to the resource telescopic component 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/. Description An account of the resource two brass discs the upper suspended by a movable rod above the lower, possible to move electrical charge to demonstrate capacitance. The upper disc is held by an insulated pillar and curved brass rod Format The file format, physical medium, or dimensions of the resource 200mm x 220mm x 100mm brass, wood, composition insulator Identifier An unambiguous reference to the resource within a given context ABDNP:200445a Title A name given to the resource electrostatic discs 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 Various Date A point or period of time associated with an event in the lifecycle of the resource 1940-1960 Description An account of the resource Box of 21 various valves. Varying in size shape and make. Makes include Mullard and BRIMAR. Format The file format, physical medium, or dimensions of the resource varying glass, metal, plastic Identifier An unambiguous reference to the resource within a given context ABDNP:201159a Title A name given to the resource valves 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 1850-1930 Description An account of the resource Brass terrestrial eyepiece for a telescope with screw thread fitting Format The file format, physical medium, or dimensions of the resource diam. 34mm, length 222mm metal, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200678a Title A name given to the resource telescope eyepiece 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 A long brass instrument with one telescope end and one collimator end on brass stand. Adjustable entrance window, 0-50 scale divisions of 1 unit, marked every 10. Also adjustable gap between 2 components, scale from 0 to 100, divisions of 1 unit, marked every 10. Format The file format, physical medium, or dimensions of the resource diam. (telescope barrel) 45mm, length 520mm, height (inc. stand) 400mm metal, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200691a Title A name given to the resource telescope and collimator 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 One of two sets of two slits and 2 glass pieces with a third glass piece in the centre which can be rotated by turning a dial which has a pointer attached. The pointer over lies a yellow plastic protractor. Format The file format, physical medium, or dimensions of the resource height 175mm, length 178mm, width 135mm wood, metal, plastic Identifier An unambiguous reference to the resource within a given context ABDNP:200643b Title A name given to the resource Moving glass plate and slits