Browse Items (3442 total)

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

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.

Sheet of frosted glass fitted into a wooden base.

piece of wood with 2 terminals, one at each end and a piece of wire between the two terminals

glass topped box of 10 surface coated mirrors of various shape and size, i.e. Circular and rectangular.

Cylindrical box with 3 rubber washers in it. Marked on box

Oblong light bulb with very fine filament wire vertically stretched with screw fitting. Written on in hand inside the bulb is "6, 3051".

Two parts from amplifiers, should have metal casing, with a gain, mute, range balance, etc. This one has had the casing removed. On rubber feet.