An Bregeut Brass Marey's Sphygmograph, French, late 19th century,

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Sold Date 2026 full date locked

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Description

AN BREGEUT BRASS MAREY'S SPHYGMOGRAPH, FRENCH, LATE 19TH CENTURY, with clockwork movement recording the pulse via a bone sensor, in velvet lined fitted leather-covered case, device 7 1/2in (19cm)long case 8in x 1 1/2in x 2 1/2in (20.5cm x 4cm x 6.5cm)