Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 695
ny hours. 595. Looming. — Occasionally temporary inequalities inatmospheric density give rise to peculiar phenomena of re-fraction, known as looming and mirage. These phenomenain their simpler forms are not so uncommon but that itis possible to obtain a knowledge of them from observationat least a… … ii i Fig, 450. the level EC, where it is lowest, and that above this hightit either increases or remains constant. This arrangement,though unusual on a large scale, mav obtain under conditionsto be noted later. Since the velocity of light-waves in airdepends upon the density, and this, in turn,…
Physics
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