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
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
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
