Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 287
O BE CONTINUED. OPTICS.* PART IV. SECTION I. •VISION. NE of the most wonder-ful senses of animal lifeis that of vision. With-lout it we lose one halfthe enjoyments of our ex-istence. Without it theworld to us would be allgloom and a dreary waste. It per-mits us to contemplate all the ma-jestic… … of viewing objects very near, or of extend-ing its field of si»ht far into the distance. On examining the structure of the eye,we find it a beautiful optical instrument,made in strict conformity to the laws ofscience, and perfectly adapted to be actedupon by light, so as to form an image ofthe…
Photography · Art and photography
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