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Figure 46.—Unusual spring lancet in hand-carved wooden case, 18th century. Note the large blade and blade guard regulated by a screw. (NMHT 321.697.12; SI photo 76-9114.)
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Figure 47.—George Tiemann & Co.’s spring lancet, late 19th century. (NMHT 163863 [M-5141]; SI photo 73-5644.)
