Quain's stethometer, late 19th century.

Quain's stethometer, late 19th century.
Quain's stethometer in case, by Delolme and supplied by Coxeter, London. Sir Richard Quain (1816-1898) devised the stethometer to measure the difference in mobility of each side of the chest, as an aid to diagnosis.
 
Currently on display in:
The Science and Art of Medicine
Year made :
1871-1900
Inventory number :
A604035