Browse Items (3473 total)

broken shafted ivory handle, the orientation of the shaft suggests a winding handle

a brass axle with four needles attached to the centre in a swastika shape

a wooden bell shaped dome. Internal circular socket fitting for shaft or handle

instruction manual for HP 35 calculator ABDNP201930a.

6 wooden plate holders with brass fixings. Numbers are inscribed

Mains charger for (ABDNP201930a) HP 35 calculator with mains lead and lead to connect calculator.

Glass slide in original black protective box with precision scale 0.1 and 0.01of a mm

2 brass Morse code style switches and terminals mounted on a wooden base.

a wooden handle with brass rod and spindle fitting. A disc may be attached to the spindle and spun to create an optical illusion of movement

Metal disc with 5 circular holes around it. Stuck into 3 of the holes is a cork with a metal rod through it. The metal rods meet up in the centre and are quite long. The whole device can be held by a handle on the end of a shorter rod at the top…