Browse Items (3473 total)

Piece of thick fibre optical cable with sheath and casing (not visible to naked eye). Light enters one end and exits out the other having been reflected within the cable

Brass binocular eyepiece for using with microscope or telescope.

Wooden handled inductive ammeter 0 - 20 A. Scaled marked "D.C.- A.C." but induction will only work on AC

A "digital Decsope" computer with in-built printer. Everything is in the one plastic cased unit; monitor, processors, keyboard and printer. There is still paper in the printer.

Mount of transit telescope from north pillar of Cromwell Observatory, King's College - shell of telescope also present. See item no.ABDNP:200009a by Thomas Jones .

10-step variable resistor for device mounting, type A-6-C, 0.25 A. Tens with range 0 (10) 100 ohms. New in original box. Ser.no. 366674

Small silver monocular with 3 prisms which can be angled away from the objective. Engraved on the monocular barrel. The prisms are engraved and on the underside. In leather pouch.

Brass disc with wooden disc screwed to one side with wooden rod attached; pieces of copper leaf attached to end of rod

Twin dial potentiometer, dials on 0.01 volt, 0.000 volt with external switches (i.e. on top of dial plane) fine and coarse adjustment in wooden box.

Small wooden box with 2 brass terminals on top and a brass plate which reads "1 OHM, Univ. Abdn., Nat. Phil." Embossed into the wood is "HARVEY & PEAK, LONDON".