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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 20

An illustration from 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, leaf 20
*-^s ,^ to 16 The Geometrical Development mica lanterns, shown in Fig; 4; also oil bottles, Fig. 15;colanders, Fig. 17; wash dishes, Fig. 18. To obtain thispattern we proceed thus: If it is required to make acolander, Fig. 17, 12 inches at the brim a b, then the 12 X Krule is =9, and four-sixths of…

Sheet-metal · Geometry, Descriptive

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