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Image
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5
Non-Commercial Use
5
Category
Laboratory Medicine
5
Maker
Grass Instrument Company
5
Object type
paper - fibre product
4
pressure transducers
1
Place
Quincy
5
Quincy, Norfolk county, Massachusetts, United States
5
Material
cardboard
4
paper (fibre product)
4
case, metal
1
case, wood
1
metal
1
Date
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Polygraph, model 5D, by Grass Instrument Co., Amer
1960-1970
Polygraph, model 5D, by Grass Instrument Co., Amer
1960-1970
Pressure transducer in wooden case
1970-1980
Polygraph, model 5D, by Grass Instrument Co., Amer
1960-1970
Polygraph, model 5D, by Grass Instrument Co., Amer
1960-1970
