Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 200
is an instrument of the highestorder as such, and at the same time a very fine specimen of highlyfinished brass work. A note must be made before leaving this microscope upon thesize of the tubes in the body and the sub-stage. Powell and Lealand were the only makers whose gauge of tubinghad a raison… … i;6 THE HISTORY AND EVOLUTION OF THE MICKOSCOPE 1. The distance between the centres of the eyes. 2. The mechanical tube-length. Tn order that the binocular may suit persons with narrow
Microscopy
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