Browse Items (3473 total)

Set of 24 brass slides with different sized apertures cut from them and painted black. In grooves in a wooden block.

Farnell OR module in ABDNP:201911a

Atomic model made of wooden balls (green and gold) and metal rods; pastic label attached reads "Flurorspar Ca.7 2, Scale 2.5 CMS=1 A"; illustrating organisation of atoms in the solid.

Brass pair of binocular adapters with engraving on it. In wooden box.

Brass collimator with spring shutter on one end.

on a triangular wooden base with three adjustable feet. Two vertical wooden circular frames separated by four brass rods, hold wire coils connected to four brass terminals. In the middle a turned wood pedestal holds a horizontal circular scale of…

Device for displaying ultrasonic timing pulses; osciliscope technology; customised for use with ultrasonic probes; serial number on back B.661. Great Britain Patent number 696920

A wooden pendulum with brass and lead weight. The wooden shaft is broken just above the weight

Cylindrical brass weight with the number "11" engraved.

copper coloured tube with screw holes at one end.