Electrical discharge Finish:10-pack Sunday 4th August 1996

Sunday 4th August 1996

A Chimpanzee in paradise at Twycross Zoo

Mr Punch stamping and kicking the newspapers

one belonging to P

Electrical discharge Finish:10-pack Sunday 4th August 1996Study 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