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.