Browse Items (3473 total)

a magnetic pointer with brass socket for mounting on a needle base. The ends show faint traces of blue and red colouring

A heavy metal tripod base supporting a glass rod to which is attached a brass clamp. The base is brown and gold painted cast iron

a square wooden base with 30mm dia hole for mounting the charge dissipation cone insulator

a brass handle forming an enclosed loop. The fitting is a tapped socket possibly 3/8th Whitworth

one tall tube with a ring anode to allow the cathode rays (electrons) to pass through; presumed to have been acquired as a set with five others

unmarked

glass specific gravity hydrometer, lead shot weighted, scale 700 to 1000. Separate weight and float bulbs. In cardboard tube

Curved end piece for electromagnet 200499a

glass specific gravity hydrometer, lead shot weighted encapsulated in red, scale 1600 to 1800. In cardboard tube

a glass tube containing mercury, weighted at one end. Cardboard tube container in brown marbled effect with label in French. No scale