S. Shaw, Lancashire, United Kingdom, "Mackenzie's Ink Polygraph", clockwork motor for the feed of paper tape and time interval marking, diaphragm receivers with and without leather straps, two ink pens, and other accessories, all in a fitted velvet-lined
Anonymous (not verified)
24 October 2024
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S. Shaw, Lancashire, United Kingdom, "Mackenzie's Ink Polygraph", clockwork motor for the feed of paper tape and time interval marking, diaphragm receivers with and without leather straps, two ink pens, and other accessories, all in a fitted velvet-lined
The leather covered case is deteriorating on the top. The inside of velvet-lined box is in good condition. The machine is not entirely complete as it ...