Brass stand on circular brass base with adjustable arm at top holding a brass mounted 6 layered 60 degree prism. The arm can only be adjusted in the angle of the prism, not the height.
grey metal base with angled monocular and glass block at one end and secondary glass block at the other, bridged by two glass pipes. Micrometer on side, made by Moore & Wright, Sheffield, England. Plate on interferometer with inscription "Bellingham…
Brown wooden suitcase housing a large and heavy black metal 16 mm film projector with engraving on a plate. With speed control Ballast resistor and film rewinder attached to suitcase lid. Also in suitcase 2 film guides on metal bases, Kodak film…
Mullard Plumbicon 55875L. Tube for luminance signal (i.e. black and white). 4 tubes necessary to create complete colour picture. One of earliest commercial colour TV camera tubes. Used in Grampian Television TV camera in early 1970s
Voltmeter in mahogany box with brass handle and brass-rimmed glass window with scale; scale ranging from 0.5-0.5; 2 terminals; one on either side of the boxmakers mark - Electrical Tower Storage Company; No 903; stamped UASD on back (University of…
Voltage series resistor which alters the voltage range of a Unipivot galvanometer when connected to it. A black metal box with 2 plastic screw connectors (black and red) for wires, or for another resistor to connect to, and 2 metal plate connectors…
One of two 60 degree glass prisms with beveled edges and 3 frosted faces including the base. A small capital B has been written on one frosted side in pencil near the base; labelled as small with reference to the counterpart larger prism b
Plastic box containing weights and brass tweezers; the smallest one is 0.05 grams and the biggest one is 100 grams; one is missing; black velvet lining inside box
on three truncated cone legs. A brass cylinder with two thumbscrew terminals. A mirror is suspended from the needle in a windowed cylinder. Onwood's patent No. 7035 NP40392
