Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 80
therays which have passed through the lefthalf of the objective, and have comeon without any interruption what-ever; whilst the image received bythe left eye is formed by the rays whichhave passed through the right half ofthe objective, and have been subjectedto two reflexions within the… … Weuliams Prism. Fig. 20. Fig. 21.
Microscopy · Biology
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