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

Brass stand with metal cased oil lamp on wooden base. Lamp can be removed form wooden base, revealing a small metal handle, has a lens at side to magnify the oil lamp light. Used as a landmark in the distance (up to 6 miles away) to mark the…

Mount of transit telescope from north pillar of Cromwell Observatory, King's College - shell of telescope also present. See item no.ABDNP:200009a by Thomas Jones .

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

A VHF power tetrode capable of operating at 250 watts.

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