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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
View of the chapel from Yardley Street
A barrow woman
Middle Scotland Yard
including Brouncker
Electrical discharge tropical View of the chapel fromStudy 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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