Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 250
icient, and inexpensivethan that suggested byDr. Beale. The instru-ment is made by attachingits outer tube on a woodensupport to a horizontalboard, which also carriesa small lamp attached toit in the required position(tig. 174). The object having been fixed in its place, and the coarse adjustment… … Fig. 173.—Ronsselets aquarium microscope.
Microscopy
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