Browse Items (3473 total)

Thick-walled glass tube with brass end caps and close filling plunger. Light wooden door-knob style handles at either end.

Double handle with green felt lined recess, for holding test-tubes and other items being gently heated.

Oil lamp with glass lens; black painted brass with small carrying handle on base.

2 brass plates with cogs in between. They are all connected and move together but one end moves more freely that the other. On the looser end, there is a metal device that moves a hand outside the plates. On the stiff end there is a cord connected…

Cylindrical glass hand hold approx. 35 mm long x 20 mm diameter attached to top of glass. Containing clear liquid and working.

Finely made divided windpipe - square section at base. Hopkins' fork is used with Chladni's plate to test whether pairs of vibrating zones are in-phase or out-of-phase.

Dark-coloured wooden handle with hollow yellow glass stem, brass end. Small threaded screw at end of brass to take attachment.

Wooden beam with two sliding lenses on it, assumed for use with part a of set. Set up as a telescope arrangement.

On wooden base. Brass terminals, iron core.