Polygraph, model 5D, by Grass Instrument Co., Amer

Polygraph, model 5D, by Grass Instrument Co., Amer

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Polygraph, model 5D, by Grass Instrument Co., Amer
Science Museum Group
The Board of Trustees of the Science Museum

Green cardboard box containing blank paper, one of four, without lid, from polygraph, model 5D, by Grass Instrument Co., American, 1960-1970

Details

Category:
Laboratory Medicine
Object Number:
1988-199/7
Materials:
paper (fibre product) and cardboard
type:
paper - fibre product
credit:
University of Oxford. Dept. of Human Ana