St. Mark's rest : the history of Venice written for the help of the few travellers who still care for her monuments (1885)
Ruskin, John, 1819-1900 · New York : Lovell · leaf 416
ction is the direction of the inclinedplane, and the inclination of the line d c is the inclination ofthe inclined plane. In beds of rock geologists call the inclina-tion of the line dc their dip. To fix the position of an inclined plane, therefore, is to de-termine the direction of any two lines… … 88 THE ELEMENTS OF PERSPECTIVE. c D will be as steep as c d, and are spoken of in the text asthe ** steepest lines in the plane. But farther, whatever the direction of a plane may be, if itbe extended indefinitely, it will be terminated, to the eye ofthe observer, by a boundary hue, which, in a…
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