Electrical discharge Size:M: 60 x 45cm Courtyard of an inn with

Courtyard of an inn with a girl feeding chickens in the foreground

Originally built for experimental purposes

Plate 6 from Gleanings from the Menagerie and Aviary at Knowsley Hall

Surrey 1931

Pavement Artist at work on the Embankment

Electrical discharge Size:M: 60 x 45cm Courtyard of an inn withStudy 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