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Lorand's Tokograph for monitoring labour, 1901-1925.

ScM Photo Studio

Lorand's Tokograph for monitoring labour, 1901-1925.
3 3 c m
actual image size: 32cm x 25cm


This instrument, designed by Dr Lorand, recorded uterine contractions during labour and was strapped to the abdomen with an elastic belt. Contractions were mechanically transmitted to a pen recorder which marked the chart, while the drum revolved by means of a clockwork mechanism. The instrument shown here has a spare dial paper and elastic for the abdomen.

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