A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 58
ircle A C B G. Through the center O, 13 GEOMETRICAL DRAWING 43 draw O C perpendicular to A B^ cutting the circumfer-ence ACBG in C. Draw the straight lines BCF andACE. With B and A as centers,and the diameter y^ i5 as a radius,describe arcs terminating in Dand //, the points of intersectionwith /)… … Fig. 53 Construction.—In Fig. 56, letB D, the long diameter, or majoraxis, which is 3V long, and A C, the short diameter, orminor axis, which is sy long, intersect at right anglesto each other in the center O, so that D O = OB and A O= O C. With 6> as a center, and (9 C as a radius, describea…
