Browse Items (3473 total)

Metal, bubble sextant in wooden box with carry handle. Still has power cable. Plate on box with inscription

5 glass tubes with one end closed off with a flat glass disk. 4 wrapped in tissue paper have an inscription on it

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

Very large fabric backed poster/wall-hanging of the y=sec x. and y=cosec x. graphs with wooden batons for weight. Rolled up, appears to be hand drawn.

Brass cylinder with rounded ends on glass stand on wooden base; small round wooden feet; one hole at top of each end of cylinder; with engraving

Plastc case containing 5.25 inch floppy disc in paper envelope and manual; label on disc reads, 'BBC B, B+, Mini Office II, 40 Track, C, Database software code 2369'; space for cassette is empty

marked as glassware

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

glass dome with glass knob top

Wooden hinged box with metal handle. Card inside reads "Original box for 'lefebore's level". Empty. Storage for optical instrument