Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 60
Fip-. 97. … Fig. 98. <- XI \ /^\ \ a; Fig. 99.^ \ ha -/-—ya^ ^ 5: V-*/ ^ ct --V 1 i 1^1 \ 1 1 1 \ 1 ^\ b° / / ^-^ y ^ a ^^^ Fig. 100. 44 DESCRIPTIVE GEOMETRY 6i. Case 4. When the given plane is de-fined by two lines which are not its traces. Construction. Figs. 101 and 102. Letthe given plane be defined by…
Geometry, Descriptive
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