Electrical discharge Earl Cranbrook Did he have a nasty

Did he have a nasty tumble

The sitter wears a short grey wig and is dressed in a white shirt and cravat with a light brown coat and waistcoat

'One of the afflicting occurrences in life in London

The original Blackfriars Bridge

Herefordshire 9th May 1939

Electrical discharge Earl Cranbrook Did he have a nastyStudy 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