Description
one belonging to P
One of the crew of three is shown operating a bellows to supply air
Marks Hall
Jack Oakes and Don Welsh at The Valley
Mr Punch stamping and kicking the newspapers
Electrical discharge Finish:10-pack one belonging to PStudy 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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