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細節
A rare electrocardiograph,
signed on the vulcanite control board G. Boulitte Paris, with three control switches, double coil, contact breaker, lamp and battery ivory push button controls, lacquered-brass fittings, fruitwood and ivorine control switch, the Couront Continu electric motor and recording paper drum and band driven within the black crackle finished aluminium casing, with red tinted glass shade viewing panel, mounted on a plinth base with electric plug attachment -- 26½in. (67.3cm.) wide
See Illustration
signed on the vulcanite control board G. Boulitte Paris, with three control switches, double coil, contact breaker, lamp and battery ivory push button controls, lacquered-brass fittings, fruitwood and ivorine control switch, the Couront Continu electric motor and recording paper drum and band driven within the black crackle finished aluminium casing, with red tinted glass shade viewing panel, mounted on a plinth base with electric plug attachment -- 26½in. (67.3cm.) wide
See Illustration