Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 53
0, p. 59. f It has been deemed better to adhere to the ordinary phraseology, whenspeaking of this fact, as more generally intelligible than the language in whichit might be more scientifically described, and at the same time leading to nopractical error. 12 OPTICAL PRINCIPLES OF THE MICROSCOPE.… … Diagram illustrating Chromatic Aberration. whilst the red rays are not brought to a focus until d, crossing thedivergent violet rays at E e. The foci of the intermediate rays ofthe spectrum (indigo, blue, green, yellow, and orange) are inter-mediate between these two extremes. The distance c d…
Microscopy · Biology
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