Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 159
Fig. 100. fto. 101. Leeuwenhoeks microscope. HARTSOEKERS MICROSCOPE 135 This system of focussing was employed in a more practical formby Hartsoeker in 1694 and was adopted by Wilson in 1702. Itbecame a very popular form for the microscope in the eighteenthcentury. We are indebted to Bonanni also…
Microscopy
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