Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 22
J G- ^ ^/r Fig. 9. \ \ x^ ^^ \... ^.a V and H *cjh Fig. 6. c •6 d ORTHOGRAPHIC PROJECT/ON Fig. 7. … cT 1 (/ r d Fig. 10 Fig. I 6 DESCRIPTIVE GEOMETRY A line in space is designated by two of itspoints, as ah, or by a capital letter, usuallyone of the first ten of the alphabet, as J., andits projections are designated by a^h^, a^h^,aPh^, or J.^, A^, A^\ When revolved into oneof the coordinate…
Geometry, Descriptive
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