piece of metal on the end of a metal rod. The metal rod has a brass ball on the other end. The device is placed on metal block and heated at one end. When left to cool it moves slightly emitting a rocking sound.

in wood, small trestle table or stool with crossed supports at each end, brass screws, possibly for equipment support

in wood, small trestle table or stool with crossed supports at each end, brass screws, possibly for equipment support

Box containing trepanning instruments: bits and handle, two-sided saws, extenders.

Octagonal tray engraved with figure of foot showing Gnostic symbols, in black marble.

Large round tray, beaten copper, tinned after engraving with two interlocking triangles in centre. Moslem date engraved on margin, and Arabic inscription.

A VHF power tetrode capable of operating at 250 watts.

Larger spirit level for transit telescope. One end has adjustable screw feet.