Four kymograph or more probably polygraph/sphygmograph records

Four kymograph or more probably polygraph/sphygmograph records

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Four kymograph or more probably polygraph/sphygmograph records
Science Museum Group
© The Board of Trustees of the Science Museum

Four kymograph or more probably polygraph/sphygmograph records, in brass-mounted leather case, British, 1890-1910.

Details

Category:
Laboratory Medicine
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A602725
Materials:
case, leather, mounting, brass and record, paper, soot coating
Measurements:
case: length 169 mm
case: width 35 mm
case: height 38 mm
record: length 153 mm
record: width 24 mm
type:
kymograph records
credit:
Bruce, A.N.