Kidney oncometer, 1877-1879.

Kidney oncometer, 1877-1879.
3 6 c m
40cm
actual image size: 32cm x 28cm

Description

This instrument designed by C S Roy (later Profesor of Pathology at Cambridge) was used for measuring blood flow through the kidney. A kidney is placed inside the chamber, surrounded by a delicate membrane made from animal tisue, which in turn is surrounded by oil. As blood flows through the kidney, it swells, and changes the presure of the oil which is recorded.

© Science Museum / Science & Society Picture Library

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