199 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 Bellmawr. N.J. Creator An entity primarily responsible for making the resource Metrologic Date A point or period of time associated with an event in the lifecycle of the resource 1965-1980 Description An account of the resource Low power He/Ne laser in white metal casing, large red on/off switch which lights up when switched on. Format The file format, physical medium, or dimensions of the resource height 68mm, length 362mm, width 70mm metal, plastic, rubber Identifier An unambiguous reference to the resource within a given context ABDNP:200654a Title A name given to the resource He/Ne Laser 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 mounted on three brass adjustable feet, a sub rectangular black wooden base holds two upright hinged wood plates. The plates each have terminals connecting to flat coils. On one side is a viewing window into the centre of the plates. A hollow rod protrudes from the top, into this is inserted a brass rod to the centre of the plates and window. A metal bar possibly a magnet pivots on the vertical rod. Format The file format, physical medium, or dimensions of the resource 360mm high 160mm x 140mm wood, brass, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200502a Title A name given to the resource 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/. Creator An entity primarily responsible for making the resource EVERSHED Date A point or period of time associated with an event in the lifecycle of the resource 1950-1960 Description An account of the resource Black conical shaped plastic casing with window showing temperature scale ranging from 800 to 1250 degrees Celsius. Also through window can be seen UK patent number; "636544", the US patent number; "2750837" and the German "patent pending" notice. An adjustable eyepiece and objective are at either side of the plastic structure. Patent dated 03/05/1950 "Improvements in or related to optical pyrometers" relating to the disappearing filament pyrometer. Format The file format, physical medium, or dimensions of the resource length 282mm, diameter 160mm Plastic, Glass, Metal Identifier An unambiguous reference to the resource within a given context ABDNP:200592a Title A name given to the resource Hot Filament Pyrometer Optical Pyrometer 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 Jena Creator An entity primarily responsible for making the resource Carl Zeiss Date A point or period of time associated with an event in the lifecycle of the resource 1800 Description An account of the resource Wooden aperture and film holder with sliding aperture size and position. On edge, small disk reads "3cm" and engraved into the wood is the maker. There is a steel rule for the camera position from -5 to +5 in unit increments. Format The file format, physical medium, or dimensions of the resource height 370mm, length 240mm, thickness 16mm wood, metal Identifier An unambiguous reference to the resource within a given context ABDNP:200758b Title A name given to the resource camera 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 Kodak Limited Date A point or period of time associated with an event in the lifecycle of the resource 1800 Description An account of the resource 3 wood & metal plate holders with inscription on them. Also over 50 gelatin filters. Format The file format, physical medium, or dimensions of the resource plate window: 4.75 x 6.5" plate holder: height 215mm, length 150mm, thickness 18mm metal, wood, gelatin Identifier An unambiguous reference to the resource within a given context ABDNP:200810a Title A name given to the resource camera plate holders & filters 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 Gambrell Bros Description An account of the resource a mirror galvanometer with small upper and larger lower cylinders in lacquered brass. The lower cylinder is surrounded by an brass ring with three brass terminals. Three adjustable brass feet are fitted to the ring. The larger cylinder has a glass circular window for viewing the mirror. A bubble level is fitted to the top of the large cylinder. Gambrell Bros London; indicating small currents Format The file format, physical medium, or dimensions of the resource 120mm OA dia 250mm high brass, ebonite, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200480a Title A name given to the resource 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/. 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 1780-1860 Description An account of the resource Telescopic level, all brass on adjusting table with 4 screwed feet. Is this the item in the 1823 inventory ' leveling instrument, Miller Edinburgh pounds 6.16.6 ' (C501?). Format The file format, physical medium, or dimensions of the resource objective diameter 37 mm; overall length 423 mm (inc. end cap) closed 380 mm brass; glass Identifier An unambiguous reference to the resource within a given context ABDNP:200596a Title A name given to the resource surveyor's level 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, England Creator An entity primarily responsible for making the resource Watkins & Hill Opticians (Francis Watkins & William 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 Specimens for observing strain-induced anistropy in polarised llight. 3 wooden frames each inset with a anisotropic glass specimen of different shape; flower, circular, octagonal shapes. Format The file format, physical medium, or dimensions of the resource height 16mm, length 141mm, width 49mm Prisms diam. 35mm wood, glass Identifier An unambiguous reference to the resource within a given context ABDNP:200630a Title A name given to the resource anisotropic glass specimens 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 1860-1889 Description An account of the resource With 6 concentric inner conductors and 12 iron sheathing wires. Short section held in brass band. Format The file format, physical medium, or dimensions of the resource iron, copper, brass, bitumen (?) Identifier An unambiguous reference to the resource within a given context ABDNP:200181a Title A name given to the resource section of submarine cable 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 Wooden box with tube and lens form one end and "bellows" with a rectangular opening at the other. Turning wheel that opens and shuts aperture on side of box and handle to slide lens back and forth on tube with mm scale underneath marked every 5 mm from 0 to 20. Used to convert a spectrometer to a spectrograph. Photosensitive paper would be placed over rectangular aperture and the lens, over the spectrometer eyepiece. Format The file format, physical medium, or dimensions of the resource length 530mm, width 190mm, lens diam.40mm Wood, glass, metal (tube) Identifier An unambiguous reference to the resource within a given context ABDNP:200602a Title A name given to the resource Spectrometer converter