Sphygmograph, for recording the arterial pulse, nickel-plated, with clockwork mechanism, tensioning spring, and wrist strap, marked Troy , in maker's leather-covered case, wd. 3 in.
Auctioneer:
Skinner
Date:
2007-03-24
Sphygmograph by Millikin & Downe, 3 St. Thomas's St., London, SE , No. 1412, with nickel-plated clockwork mechanism, spring tension and strap, in leather Read more…
Auctioneer:
Skinner
Date:
2005-05-03
Jaquet Sphygmograph, Switzerland, c. 1900, No. 46749, with spring motor, spring tension, stylus and wrist strap, in fitted leather case. Read more…
Auctioneer:
Skinner
Date:
2002-04-13
