Description
'Waterloo Bridge and St Paul's from the Embankment'
Galvani's experiments on the effect of electricity on dissected animals in the 1780s and 1790s
Just six weeks later
and the first Hupmobile was exhibited at the Detroit Motor Show of that year
Electrical discharge Size:Standard: 6 x 4in 'Waterloo Bridge and St Paul'sStudy 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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