The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 284
red. 270 Ch. IX] VISIBLE AND INVISIBLE RADIATION 271 The infra-red waves are only shown up to a length of 2/1, althoughmany of much greater length exist. In the ether of space the different visible waves move with equalvelocity, but in the various transparent bodies on the earth, the ve-locity… … Ultra-Violet Infra-Red Fig. 151. Visible and Invisible Radiation. The segment in white shows the visible radiation, which lies between X0.4/Xand \o.jjj.. Radiation shorter than X0.4.JU is known as ultra-violet, and longerthan \o.~/u. as infra-red. This is a normal spectrum magnified 20,000…
Microscopy · Microscopy -- Technique
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