Haig (Spring) sphygmometer

Made:
1905 in London
maker:
Hawksley and Sons Limited
SMG00260092

Science Museum Group
© The Board of Trustees of the Science Musuem

SMG00260092
Science Museum Group
© The Board of Trustees of the Science Musuem

Haig (Spring) sphygmometer, by Hawksley, 1905, English