Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 176
chemical agency of thesuns rays. All the researches of Scheele, Hitter, Seebech, Berard, Niepce,Talbot, Herschel, Draper, Becqucrel,Arago, and Hunt, proving the distinctcharacter of the phenomena of luminousand actinic action, and the inferencesof seven of these experimentalists, aredecidedly in… … PART II. MIRRORS.SECTION I. THE PLANE MIRROR. N Y smooth surfac3 whichreflects lisrht is a mirror,whether it be a sheet ofwater, a looking-glass, ora polished piece of metal.That portion of the sci-ence of optics which treatsof the reflection of light by meansof mirrors, is called Catoptrics.…
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