24th Nov, 2022 11:00
Fine Scientific & Medical Instruments and Books
Medical, A Clinical Polygraph by Mayer & Meltzer
English, c.1910, a complex development of the sphygmograph, in nickel plated brass, gilt brass and other materials, clockwork mechanism designed to measure and record heart rate and respiration rate, in fitted leather covered velvet lined case, case 26.2cm across
Sold for £475
Result plus buyers premium
English, c.1910, a complex development of the sphygmograph, in nickel plated brass, gilt brass and other materials, clockwork mechanism designed to measure and record heart rate and respiration rate, in fitted leather covered velvet lined case, case 26.2cm across
Auction: Fine Scientific & Medical Instruments and Books, 24th Nov, 2022
