Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 60
into four equal parts, calledthe four quadrants. 65. The Four Quadrants.—Let Fig. 1, Plate No. 5, repre-sent a limited portion of each of the two planes of projection(the drawing shows the planes to be of some thickness: theplanes assumed, however, are mathematical planes and of infinitesimal… … O co ■+-»o <D • —\ oCL o _c a i— bOo _c +-» 1— O <o _c H (D C tf OQ >8 0 08 \o / < X s I 00U.
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
