A 19th-Century barrel electro-magnetic induction machine,

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A 19th-Century barrel electro-magnetic induction machine,
unsigned, with 8in. (20.3cm.) dia. glass cylinder, mounted on an axis, located on twin turned vertical supports with brass finials, with friction pad, comb, conductor cylinders, raised on twin glass insulating pillars with turned mahogany feet, the brass winder with ebony handle, on shaped mahogany plinth base -- 27in. (68.5cm.) wide, raised on four bun feet

See Colour Plate 1

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