Polygraph: Mackenzie, Ink

Date
Circa 1910
Description
Mackenzie ink polygraph, capable of taking pulses at two separate locations on the
subject. Comes with case and accessories. All tambour membranes damaged. Designed by James Mackenzie.
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Object detail

Date
Medium
Metal, celluloid and rubber.
Measurements
9.8 x 25.5 x 11.4 cm
Accession Number
MHM00173
Object Type
Medical History Museum Category

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