A lithotrite,
A lithotrite,

細節
A lithotrite,
by Weiss, with fine-screw adjustment against a graduated scale -- 15¾in. (40cm.) long; another Weiss lithotrite; and a burnished-steel lithotrite, Mathieu pattern, with blued-steel shank and gilded collar -- 15¼in. (38.7cm.) long (A Lot)

See Illustration
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