Difference between revisions of "Polygraph Machine"
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(Created page with " == vintage machine examples == === KEELER model 6303 polygraph machine === The Keeler Model #6303 was a hybrid between the Keller Model #302 and the Model #6308, the first of ...") |
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Revision as of 08:16, 22 April 2013
vintage machine examples
KEELER model 6303 polygraph machine
The Keeler Model #6303 was a hybrid between the Keller Model #302 and the Model #6308, the first of the PaceSetter Series of polygraphs manufacturered by Associated Reasearch. It was a sleeker design than the Model #302, but still used vacumn tubes. Associated research replaced the stainless steel face with a blue acrylic faceplate.
It had three seperate channels. Pnuemograph, cardiograph, and galvanometer.
