Electrical discharge Size:L: 80 x 60cm seated cross legged on

seated cross legged on

Fire and Sword

'Last Vestige of the River Fleet

Murphy was a successful racing driver of the early 1920s

depicted in 1681 (c1950)

Electrical discharge Size:L: 80 x 60cm seated cross legged onStudy 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