Electrical discharge Size:L: 90 x 60cm Vestibule of the Coal Exchange

Vestibule of the Coal Exchange

Mr Punch tells his readers that the Bill was 'very coldly received'

Unloading rolls of paper from a ship

Bobby Moore in Amsterdam

Electrical discharge Size:L: 90 x 60cm Vestibule of the Coal ExchangeStudy of patterns produced by electrical discharges on surfaces revealed by dusting with powdered red lead and sulphur. Sometimes termed 'Lichtenberg figures'. These experiments were conducted at Cragside in Northumberland, England, using a Wimshurst machine (electrostatic generator) and two 10 gallon Leiden jars. Current was conveyed to two rod conductors with a spark gap at which coated wires discs or plates were positioned. Lord Armstrong exhibited