Browse Items (3473 total)

a rotating plaster globe with a brass axis support and movable brass longitude gauge, chalk marked 'us' (unserviceable?).

Cardboard box of camera parts: 2 film holders, 1 brass lens holder (?), brass tube, 2 brass disks and brass screws. Wooden film holders have sliding apertures and unfold for easy access. They are marked, possibly referring to Aberdeen University…

Metal cylindrical holder on wooden base with metal plate along side to ease movement along optical bench

a glass tube bent into a V shape mounted upright into a rectangular wooden base. The base has four flattened ball feet

Piece of very thick fibre optic cable. No sheathing, not very flexible.

Farnell NOR modules in ABDNP:201911a

Tall paper covered wooden screen on top of a wooden base with groove for optical bench and 2 metal pointers on base. 3 cut sheets of paper (backs of old forms) have been used and slotted in to the built in grooves.

Double track resistance box with varnished wooden box, 12plugs introducing 1, 2, 3, 4, 10, 20, 30, 40, 100, 200, 300, 400 ohms. Side PS BT Units, no. 2590 "Right at 15.5 C".

Metal eyepiece with engraving on it. Part of something else (?) Has screw holes in base.

six ivory balls, one wooden ball, some have a green cord attached for suspension. One of the larger ivory balls has a flush weight attached by a screw inserted into the ball. Possibly some variation of Newton's conservation of momentum experiment