Browse Items (3473 total)

2 terminals mounted either end of a metal beam with another 2 terminals at one corner of metal squares, all mounted on top of a wooden base. Engraved on the side is "15" and "AMP" and the number "106888". Holes through metal and wood at either end.

One of two, metal casing holding together 2 pieces of an amplifier (?) with a gain, mute, range balance, etc. On rubber feet.

Set of 12 cardboard disks with central hole and slit from centre to edge. 2 of each colour: white, red, blue, green, yellow and black. Also smaller card disk with pictures on it and 8 rectangular apertures radiating from centre. Might be to show…

Small brass astronomical refracting telescope with 30 mm aperture objective and single draw-tube. Closed length 330 mm. Magnification about x6. May be a sighting telescope. 19th century?

4 rolls of "A1 tape" which has been treated with an anti-static solution. The tape is just paper. The roll has a central cardboard tube.

Large black metal optical bench, groove style with adjustable feet.

Cardboard box of carbon rods; box of 100; each rod: 10 mm x 8"; on label: 'Pool Carbons'.

Brass stand with metal cased oil lamp on wooden base. Lamp can be removed form wooden base, revealing a small metal handle, has a lens at side to magnify the oil lamp light. Used as a landmark in the distance (up to 6 miles away) to mark the…

One of a pair of large concave reflectors fixed to a stand on a metal base. Mirror is made of polished metal.

Empty wooden box with metal handle, obviously designed for something specific as has wooden batons inside forming a shape. Possibly for storage of optical device