Browse Items (3473 total)

Brass pendulum for use with ABDNP201515a

Brass pole with screw thread end and central bit on a spring which moves in when pressed.

Fabric measuring tape in feet and inches; measures up to 66 feet

Selenite sample for polarising mirror set in wooden frame for use in Optician mirror set.

Motor driven metal wheel with 30 rectangular slits attached to a smaller reduced speed cog and bell on a solid cast iron base. Small plate with "W. G. PYE & Co. Cambridge, London".

Cardboard box of carbon rods; box of 25; '35-55 amps'; stage arc carbons positive, 18 mm x 6".

Glass bottle in the shape of a sector of a circle with a glass stopper.

Manual for Avo multimeter Model 8 Mk II but similar for other Model 8 instruments

one of a pair, circular base weighted with lead, the vertical tapers upward from a bulbous bottom, terminating with a wing nut for holding a telescopic inner section of glass rod

piece of metal on the end of a metal rod. The metal rod has a brass ball on the other end. The device is placed on metal block and heated at one end. When left to cool it moves slightly emitting a rocking sound.