Rotating drum
Maker
C F Palmer
Date
Circa 1930-1949
Description
first mechanical drum used by Department of Physiology; recorded nerve, muscle, blood-pressure impulses of experimental animal - carbon-blackened paper attached to drum's outside, and pens (on stand) attached to animal's electrodes etched physiological impulses into paper as drum rotated
Object detail
maker's mark ▫ on drum: 'C.F. Palmer' ▫ 0 - Whole
notations/inscriptions ▫ on drum: 'IMVS' ▫ 0 - Whole
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