Browse Items (3471 total)

cylinder with screw hole on top of wooden base with groove for running along optical bench.

Brass microscope on wooden stand with adjustable mirror, sliding slide holder and blank brass plate.

Large oblong carbon filament bulb wit screw fitting in brass fitting with wires still attached. Engraved on side of bulb and hand written on glass inside bulb is the number.

Set of 12 large negatives on a roll.

Light bulb with very thin filament wire stretched vertically 4 four times. No markings. Screw fitting.

rectangular mirror in metal frame with brass 'joint' at back allowing it to be angled

Wooden frame holding a piece of paper. Paper marked with burnt patches; possibly used to show illumination of a candle. Has wire handle, possibly broken off of something.

Spherical pendulum bob with pointer. Support attachment made in 1993.

Oval glass in woodchip block. Used to be a mirror but the silver has almost gone. Used to be fixed on to something, glue is still in triangular shapes on the base.

Small metal, painted black, circular screen with groove in base and screw to tighten it around an optical bench.