Browse Items (3473 total)

glass dome with brass neck piece and screw hole, possible for suspending an apparatus inside or attaching a tube

cylindrical cardboard box of 5 eyepieces, 3 have orange lenses. Box is hand labelled as Polarimeter Parts.

Brass stand with "W. LADD, LONDON" and "Univ. Abdn. Nat. Phil." engraved on the base. Similar to ABDNP200634a but without magnifier.

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

glass topped cardboard box of 14 mirrors, 13 circular and 1 rectangular, and 2 aluminium mirror holders.

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

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

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…

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…

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