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 57
d from the point d with d V as radius, describe thearc V W, making it equal to one-sixth of a circle of whichD H is the radius, and draw d Z W; then with d C asradius describe the arc C Z. Now from the point Y withY S (that is, C T) describe the arc S R, making it equalto T U, and draw R a through… … of Round and Oval Cones. 53 oval A H G B J I, and a pattern cut as shown by thecurve line will, when formed, make a true oval cone hoodfashion. In concluding the lessons on oval cones, a few wordsare necessary, as before noted, to show that in order topreserve for any special purpose the truth of…
Sheet-metal · Geometry, Descriptive
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