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View of the Royal Military Asylum
Courtyard of an inn with a girl feeding chickens in the foreground
'Thaves Inn' (ie Thavies' Inn)
Plate 6 from Gleanings from the Menagerie and Aviary at Knowsley Hall
Electrical discharge Size:M: 60 x 45cm View of the Royal MilitaryStudy 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
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