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A fine Marey's sphygmograph, the precursors to the ECG and
sphygmomanometer which was used to
monitor the pulse and heart rhythm. This is the most pristine
example I have seen and would have been one of the last models ever
made dating to the late 19th or possibly early 20th century. The
maroon velvet lined box is marked in gold embossed letters "Ch.
Verdin, G. Boulitte Sr. 7, Rue Linne Paris". One open compartment
accommodates the frame for the brass plate a second closed
compartment contains the two original styluses. The body of the main
is marked "Boulittes 7 Rue Linne Paris" and with the GB trademark.
The point which rests on the radial pulse is made from polished
ivory. The arm rest is made with plated metal line with grey felt and the original
black silk ribbon which would secure this to the patient's arm is
still present. The clockwork and pulley mechanisms remain in perfect
working order. |
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