M0018977: Illustration of a clinical polygraph devised by Sir James Mackenzie using a Dudgeon sphygmograph and tambour, 1908

Date:
February 1962
Reference:
WT/D/1/20/1/168/85

Licence: In copyright

Credit: M0018977: Illustration of a clinical polygraph devised by Sir James Mackenzie using a Dudgeon sphygmograph and tambour, 1908. Source: Wellcome Collection.

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