Electrical discharge Finish:10-pack 13th August 1943

13th August 1943

A Chimpanzee in paradise at Twycross Zoo

on stage during the band's concert at Peking's People's Gymnasium

A lady and gentleman in theatrical costume in the stocks

Electrical discharge Finish:10-pack 13th August 1943Study 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