A new and original treatise on the geometrical development of round and oval cones, with easy examples of their application : for the use of beginners and practical sheet iron and tin plate workers (1904)
Fuller, John, b. 1833 · New York : D. Williams · leaf 35
s of circles, the radius of the middleor two side parts being twice the length of the radiusof the four parts forming the two ends, and we want inconstructing this elliptic cone six sectors arranged sideby side whose radii are six times longer than thoseof which the oval in Fig. 28 is composed, but… … N o of Round and Oval Cones. 31 the length of the diameter A F, from the point C as cen-ter, describe the arc L O K, making it 60 degrees, or one-sixth of the circle of which C K is the radius; then fromC through F and J draw the line C J to K, and from Cthrough E I draw the line C I to L; now…
Sheet-metal · Geometry, Descriptive
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