Browse Items (3473 total)

Fearns Circular Slide Rule, in a plastic case marked, "CIRCULAR SLIDE RULE", consists of a main dial, a transparent top dial and a moveable cursor to facilitate reading the scales. Also has manual in case.

6 large clear plastic rulers with scales on them. 2 have straight edges all round the others have one inclined edge. Manufactures name on base.

One of two Farol desks with metal runners at the sides for paper (?) and space between for Perspex rulers to sit. On a wooden base with a wooden detachable lid. Inside has 2 graph type sheets of Perspex and 2 plastic rulers with different scales on…

Farnell DELAY module in ABDNP:201911a

Farnell BINARY modules in ABDNP:201911a

Farnell NOR modules in ABDNP:201911a

Farnell OR module in ABDNP:201911a

Wooden base with ebonite insulator holding top plate of circular variable capacitor. Evidence of solder connections to edge bottom plate of handle.

Human figure 'used to protect household from evil spirits' One of three listed together as 'grotesque'

Black metal apparatus; two individual scales measuring 'knots' and 'MPH'; scales look like glass thermometers - right hand dial 0-150 and left hand dial 150- 550 mph; converts pressure into speed; serial no 81; ref no 6C/85