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A very rare sphygmograph used for
monitoring the pulse and heart rhythm. The apparatus would be tied to the flexor
wrist and the ivory sensor placed over the radial pulse. Smoked
tracing or plain paper (with ink) was attached to a plate which was
moved across the stylus by a clockwork mechanism. Movement of the
stylus at the end of its long arm would amplify the radial pulse and
record pulse rhythm and amplitude. Signed by Breguet (Paris) and
retailed by Leech & Green, No 1 Hamilton Place. Boston. The
mechanism remains in perfect working order. |
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