Browse Items (3473 total)

glass specific gravity hydrometer, black lead weighted, scale 1400 to 1600. In cardboard tube

a circular wooden lead weighted base with turned wooden leg terminating in an apparatus plate. The stand is telescopic with adjustment by a wooden screw

glass handle with brass tapped ferrule; possibly for handling electrically charged objects

Whelk shell that fluoresces in the cathode rays; presumed to have been acquired as a set with five others

two glass bulbs terminate a right angled U tube, held against a white card by wire. Some red colouration may be a liquid residue

Contains a rotating vane; presumed to have been acquired with others as a set. Glows blue when supplied with 2.7 kV.

a hollow cylinder of brass with a cross bar forming a long armed 'T'. There is a pin hole at each end of the 'T' bar. The cylinder has a decorative knob on one end, the other end being open and slightly serrated as if for cutting

a brass balance arm with marking 1 to 12 on each arm and grade marks every half unit. A metal pointer is fixed to the upper edge of the balance centre; part of a weighing balance mechanism

Cat skin, cream, ginger, brown and black markings on fur; one patch on rear side, used for electro statics. Used in lecture demonstrations for generating charge by rubbing

glass dome with bell shape and open neck sealed with cork. Suspended from a thread is a cardboard sling, possible for suspending a magnetised needle