Mackenzie-Lewis polygraph

Mackenzie-Lewis polygraph, in case, by Cambridge and Paul Instrument Co., London, c.1920

Details

Category:
Clinical Diagnosis
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A600378
Materials:
case, wood, case, leather, strap and polygraph, steel
type:
polygraphs
credit:
Lynch, G.A.C.