A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 612
escribe how the apparent position of a heavenly body is affectedby refraction due to the atmosphere. Account for the peculiar appear-ance of the setting sun. CHAPTER XLVI LENSES General considerations.—Lenses are bodies made of transparentmaterial and bounded by faces having a spherical form.… … Fig. 535.—Kefractiou by converging lens. of every ray may be found from the laws of refraction (p. 574).Each ray is bent towards the normal on entering, and away fromthe normal on leaving the lens, the normal at each point being theradius of the spherical surface. The line passing through…
Physics
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