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 40
be the arc T S, and drawW I through Z, and with I V as radius describe the arc V W, and with Y S and Z W as radii, from the points Y and Z describe the arcs S R and W X equal toM L and Q K; then the curve line RSTUVWXisequal to the circumference of the oval A H G B J I, asbefore, and a pattern cut… … 36 The Geometrical Development LANTERN-HEAD FASHION. The lantern-head fashion is made up of 240 degreesand contains six sectors of circles which, taken to-gether, will equal the circumference of a given ovalwhose transverse diameter is A B, Fig. 31. Constructthe oval A H G B J I, making the length…
Sheet-metal · Geometry, Descriptive
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