Figure 76.—Patent model of Tiemann’s scarificator.
(NMHT 89797 [M-4289]; SI photo 76-9115.)
Figure 77.—Patent model of Leypoldt’s scarificator, 1847.
(NMHT 89797 [M-4290]; SI photo 73-4213.)
Figure 78.—Patent model of Leypoldt’s scarificator, 1851.
(NMHT 89797 [M-4293]; SI photo 76-9112.)
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