Browse Items (3473 total)

tin cylindrical float weighted by lead suspended in a tin cone. A rod protrudes from the top, terminating in a circular tray containing a red residue. Possibly an early hydrometer

plastic base with 4 brass terminals in a line. Each terminal is high up and has a large brass arm attached. One arm has a Morse code style tapper at the end and is poised over a plastic stand. Stamped in the corner of the base is "Univ. Abdn., Nat.…

Knob from 1 to 10 below which is engraved ' Multi-point thermocouple indicator / 54131 '. Scales: 1) 0 - 100; 2) 50 - 0 - 50 both in divisions of 1 mA? With bridge resistor logo.

long glass prism with old blank sticker on it.

a collection of pointolite arc lamps. Seven lamps in six boxes in one cardboard container. There appears to be two types, 100V-250V 150CP AC BC and 100V-250V 100CP BC gas filled. Marked 'Royal Ediswan'; perhaps projection lamps

20 long thin white envelopes for storing X-ray powder pattern film.

Cylindrical box of 6 glass circular disks. Hand written on top of box.

cathode ray oscilloscope tube type 3AP1 906P1 by Sylvania also marked N2 SC251A in cardboard box, for focusing electron beam onto fluorescent screen

one of six telephones. GEC pulse dial telephone Aus Pat 111251 Brit Pat 518721

one of three telephones; emergency telephone with dial disk display in red, 'Whitehall 1212'; cotton braided three cable cord; number on bottom 'L11560C7'; 'ATM' on handset