Figure 48.—Patent model spring lancet, patented by J.W.W. Gordon in 1857. Back view. (NMHT 89797 [M-4298]; SI photo 73-10319.)
Figure 49.—Patent model spring lancet, patented by J.W.W. Gordon in 1857. Front view. (NMHT 89797 [M-4298]; SI photo 73-10318.)
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Figure 50.—Wet cupping for a headache. (From Frederik Dekkers, Exercitationes Practicae Circa Medendi Methodum, Leyden, 1694. Photo courtesy of NLM.)
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