Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 128
ides sustaining two internal re-flexions in the latter, it is surprising that Professor H. L. Smith, whileadmitting a loss of light, should feel able to speak of the definitionof this instrument as not inferior to that of either the AVenham orthe Nachet binocular. It is obviously a great advantage… … Fig. 82.—Abbes binocular eye-piece. Abbes Stereoscopic Eye-piece.—Fig. 82 represents this in-strument in section. The body A A contains three prisms ofcrown glass, a, b, and b. The two eye-pieces B, B are let into thetop plate, the former being fixed, whilst the latter has a lateralsliding…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
