Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 169
PLATE 21 1 ^ 2 eowith H. 75°with H. ^ 45°with H. 3 0 with V. HN 7 5 7 / 7 7 8 HH ^^^ 60°with H. 60with H. 60with V. 30°with V. 9 10 II 12 eowith V. 45with H. 75°with H.45°with V. 30°with H.eowith V. QO^with H.45^with V. Problems 1-8,Problems 9-12. Determine one position of the missing trace of…
Geometry, Descriptive
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