French, c.1866-1890, signed by Breguet and retailed by Leech & Green, No 1 Hamilton Place. Boston, in fitted velvet lined leather case, embossed in gilt 'Sphygmographe de Marey', the sensor of of bone, complete with separate plate which was moved across the stylus by the clockwork mechanism, recording the pulse on a paper strip, ink bottle, a compartment in the lid is designed to hold the paper strips, it retains a card ' Sphygmographe de Marey Breguet, 39 Quai de l'Horloge Paris'
Condition Report: The Breguet clockwork mechanism is in running order
Sold for £562
Result plus buyers premium
French, c.1866-1890, signed by Breguet and retailed by Leech & Green, No 1 Hamilton Place. Boston, in fitted velvet lined leather case, embossed in gilt 'Sphygmographe de Marey', the sensor of of bone, complete with separate plate which was moved across the stylus by the clockwork mechanism, recording the pulse on a paper strip, ink bottle, a compartment in the lid is designed to hold the paper strips, it retains a card ' Sphygmographe de Marey Breguet, 39 Quai de l'Horloge Paris'
Condition Report: The Breguet clockwork mechanism is in running order
Auction: Fine Scientific and Medical Instruments, 12th May, 2022