Late 19th/Early 20th Century Portable Assay orQuinn's Auction Galleries4.3(501)$100(1 bid)Sep 25, 2026
LaMotte Falling Drop Densiometer (Special Field Model) and Additional Medical Accoutrements. CircaPotter & Potter Auctions4.7(642)$80Oct 1, 2026
[QUACK MEDICAL DEVICE]. Davis & Kidder Patent Magneto-Electric Machine for Nervous Diseases. NewPotter & Potter Auctions4.7(642)$80Oct 1, 2026
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