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…
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
a square wooden base on four round feet. A brass vertical rod with a steel needlepoint for mounting a magnetic pointer. Marked Univ Abdn Nat Phil on brass insert
Extendable wooden tripod in three parts; held together with leather strap with buckle; brass fittings; 'PATENT' engraved at top of each of three parts; accompanied by wooden fitting for top where camera attaches
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…
mounted on three brass adjustable feet, a sub rectangular black wooden base holds two upright hinged wood plates. The plates each have terminals connecting to flat coils. On one side is a viewing window into the centre of the plates. A hollow rod…
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…
