Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 154
GALILEOS AND CAMPANIS MICROSCOPES I29 on p. 138. A lens is mounted in a central aperture in a polishedconcave metal reflector. Descartes apparently devised another andmuch more pretentious instrument, but it appears impracticable and could never have existedsave as a suggestion. But heappears to…
Microscopy
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