S.T. Stein's adaptation of E.J. Marey's sphygmograph. Process print after a wood engraving.
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- 562202i
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Description
In Stein's version, the pulse is read by a lever which supports a perforated plate through which light shines on to a photographic plate
Physical description
1 photograph ; image 11.4 x 23.8 cm
Lettering
Fig. 1. The photographic method of recording the pulse wave developed by Stein, from Marey's sphygmograph in 1885
Lettering: 4735 on verso
Reference
Wellcome Collection 562202i
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Location Status Access Closed stores