Aneroid manometer, from syhygmomanometer

Made:
London
Aneroid manometer, from sphygmomanometer, by Surgical Manufacturing Co. Ltd., 85 Mortimer Street, London, W, England.

Aneroid manometer, from sphygmomanometer, by Surgical Manufacturing Co. Ltd., 85 Mortimer Street, London, W, England.
Science Museum Group
© The Board of Trustees of the Science Musuem

Aneroid manometer, from syhygmomanometer, by Surgical Manufacturing Co. Ltd., 85 Mortimer Street, London, W, England.