Warren, Samuel Edward, 1831-1909. [from old catalog] · New York, J. Wiley & sons · leaf 178
The shadow of SY may be similarly found. The distance equal to Om, might first be assumed as at^P,then Pm, parallel to_pO, will locate mt and t will be the intersec-tion of Tt with Ft, parallel to pT. SECTION Y.Sh.ad.es and. Shado^ws on Doxible-CTarved Surfaces. Peoblem XL. To find the curve of… … Il XIV
Shades and shadows
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