Browse Items (3473 total)

a glass spiral differential pressure gauge or manometer. Pyrex glass, mirror surface platinised Pyrex glass. Springham logo with 'Magnum in Vacuo'. In cardboard box marked Prof Taylor 8/8/66

new 4-turn carbon filament lamp 32 candle power, 230 V. Maker's wrapping paper, with code "5L/1220 230v 32 cp BC" (presumed Bayonet Cap). Marked on bulb "Property of HM Government" and "Robertson made in England" "GEC Ltd 32 c.p. 34". Standard…

glass dome with glass knob top

roll of negatives in cylindrical box and is labelled

Brass telescope style component with large convex lens on one end creating fish eye effect. 2 clamps on barrel suggesting part of a system.

two brass discs the upper suspended by a movable rod above the lower, possible to move electrical charge to demonstrate capacitance. The upper disc is held by an insulated pillar and curved brass rod

Box of 21 various valves. Varying in size shape and make. Makes include Mullard and BRIMAR.

Brass terrestrial eyepiece for a telescope with screw thread fitting

A long brass instrument with one telescope end and one collimator end on brass stand. Adjustable entrance window, 0-50 scale divisions of 1 unit, marked every 10. Also adjustable gap between 2 components, scale from 0 to 100, divisions of 1 unit,…

One of two sets of two slits and 2 glass pieces with a third glass piece in the centre which can be rotated by turning a dial which has a pointer attached. The pointer over lies a yellow plastic protractor.