Warren, Samuel Edward, 1831-1909. [from old catalog] · New York, J. Wiley & sons · leaf 122
nt rays may be drawn, which willgive projections of points of the curve of shade. Problem XXVI. To find the projections of the curve of shade on an ellipsoid of three, unequal axes. Principles.—Let the longest axis be vertical, and the plane ofthe longest and shortest axes, parallel to the vertical… … \
Shades and shadows
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