Marion, Fulgence, Quin, Charles W. (Charles William) · New York : C. Scribner's Sons · leaf 103
ous particles floating on the surface which thus become coloured, but Newton showed that thin plates of air were similarly capable of showing colour, and that the thinner the plates were the more brilliant were the tints. We may see this in the soap-bubble, which becomes more beau- tiful as it gets… … Fig. 12. — Newton's Rings. By measuring the convexity of the lens and the di- ameter of the various rings, Newton was enabled to tell to a minute fraction the exact thickness of the plate of air corresponding to the different colours. The glasses being placed in position, a ray of a particular…
Optics · Physical optics · Optical illusions
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
