an electric motor with three step pulley wheel. The mechanism is open and mounted on a wood plinth. The stator is electrically energised and the rotor is connected via two brass commutator brushes
straight walled glass vessel with slight shoulder, silvered half way up the glass and has a tin band with thumb screw as an electrical contact. A brass rod terminated in solid copper wire filaments is suspended from a three armed cap. Perhaps an…
two glass bulbs, one clear, one dark terminate a vertical U tube. Ink in the tube moves in response to the absorption of heat on the darker bulb. The U tube is mounted on a circular wooden base
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
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.…
a metal pedestal on a circular base with three mounting holes. The pedestal has a clamped attachment with an adjustable horizontal arm moved by a knurled thumbwheel. Specialised laboratory equipment
