175 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 (?) Date A point or period of time associated with an event in the lifecycle of the resource 1897-1910 Description An account of the resource One of two tubes have a spiral glass feature; presumed to have been acquired as a set with five others Format The file format, physical medium, or dimensions of the resource glass; wood; metal Identifier An unambiguous reference to the resource within a given context ABDNP:200123d Title A name given to the resource discharge tube demonstration 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 1850-1950 Description An account of the resource Small brass telescope. Part of something. Format The file format, physical medium, or dimensions of the resource length 195 mm, diam. 25 mm metal, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200701a Title A name given to the resource telescope 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 unknown Creator An entity primarily responsible for making the resource unknown Description An account of the resource Provides approx. 1200 Volts at a few hundred Amps . One of the largest vacuum tubes. Pool of mercury in the base acts as a cathode, feeding the 3 side-arm anodes, one for each phase of a 3-phase supply. Three intermediate grids provide some control over the large current . Format The file format, physical medium, or dimensions of the resource mercury Identifier An unambiguous reference to the resource within a given context ABDNP:200137a Title A name given to the resource Mercury vapour arc rectifier 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 Elonex Date A point or period of time associated with an event in the lifecycle of the resource 1988-1989 Description An account of the resource User's manual for ABDNP201456a including operating instructions, circuit diagram and supplementary booklets for keyboard and mouse. In original cardboard case. Format The file format, physical medium, or dimensions of the resource 220 mm by 160 mm by 25 mm paper Identifier An unambiguous reference to the resource within a given context ABDNP:201456b Title A name given to the resource PC manual for ABDNP201456a 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 5 Charing Cross, London Creator An entity primarily responsible for making the resource Watkins and Hill Date A point or period of time associated with an event in the lifecycle of the resource 1840-1855 Description An account of the resource arch shaped stand with a copper disc and a bar magnet suspended from the top Format The file format, physical medium, or dimensions of the resource height 480mm copper, brass and magnet Identifier An unambiguous reference to the resource within a given context ABDNP:200089b Title A name given to the resource Eddy current drag 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 unknown 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 1840-1899 Description An account of the resource Glass jar with wooden lid; lid handle extends through to bottom of lid with chain attached which hangs into jar. Jar is painted in conducting material. Format The file format, physical medium, or dimensions of the resource height 241 mm; diameter 95 mm glass; metal Identifier An unambiguous reference to the resource within a given context ABDNP:200086a Title A name given to the resource Leyden jar 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 Berlin Creator An entity primarily responsible for making the resource Gruel Date A point or period of time associated with an event in the lifecycle of the resource 1880-1910 Description An account of the resource Has 3 interwound coils forming a vertical loop in the centre of which lies a magnetic pointer and dial on a circular horizontal wooden table. All are mounted on an ebonite pedestal with three brass adjustable feet. Six terminals are joined in pairs to the three windings Format The file format, physical medium, or dimensions of the resource 220mm dia 300 mm high chrome, glass, brass, ebonite Identifier An unambiguous reference to the resource within a given context ABDNP:200467a Title A name given to the resource Tangent galvanometer 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 'W. & S. Jones N. 30 Holborn London' Date A point or period of time associated with an event in the lifecycle of the resource 1800-1830 Description An account of the resource Said to be attached to model of levers but not present Identifier An unambiguous reference to the resource within a given context ABDNP:200019a Title A name given to the resource sovereign balance 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 1920-1960 Description An account of the resource Glass density bottle; etched onto bottle '25 Grammes, 60 F'; in custom-made black-painted tin; packed in cotton wool Format The file format, physical medium, or dimensions of the resource diameter 50 mm; height 120 mm metal; glass; cotton Identifier An unambiguous reference to the resource within a given context ABDNP:201783b Title A name given to the resource Density bottle 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 1950-1970 Description An account of the resource Selenium rectifier with black cooling fins. Every fourth sheet has a hole in one corner while all other corners have been taken off. The central rod has screw terminals at either end. Format The file format, physical medium, or dimensions of the resource length 360mm, width 95mm, height 95mm metal Identifier An unambiguous reference to the resource within a given context ABDNP:201333a Title A name given to the resource large full wave metal rectifier