A late 19th-Century two-plate Wimshurst-pattern electrostatic induction machine,

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A late 19th-Century two-plate Wimshurst-pattern electrostatic induction machine,
the 16½in. (42cm.) dia. plates with foil inserts, the axis raised on twin mahogany supports, with leather driving bands, conductor combs, brushes, vulcanite fittings and two Leyden jars, on mahogany frame base -- 24in. (61cm.) wide

See Illustration Front Cover

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