A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 266
ion of this wonderful instru-ment to the purposes for which it is designed. 686. Parts of the Eye.—The human eye is a spheroid,about an inch in diameter, resting in a cavity below theforehead, capable of being moved upward, downward, orsidewise, by muscles attached to it behind. It consists of: an… … 687. In an eye as set in the head (see Figure 253),some of these parts are hidden from view. A portion ofthe Sclerotic Coat {g g) appears ; andthrough the transparent Cornea, cov-ering the front of the globe and moreconvex than the rest of it, are seen theIris (i i) and the Pupil (b). TheIris is…
Physics
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