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.
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.…
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
one of three telephones; manufacturers name stamped on back, 'GEC'; patent number 178936 on dial; black cotton covered wire to handset and to wall; 'EXT 7' on dial
one rectangular board is joined to a smaller rectangular board by a rubber belt. The smaller board has a long sharpened steel rod attached and a cup hook
