Triangulation applied to sheet metal pattern cutting : a comprehensive treatise for cutters, draftsmen, foremen and students ... (1920)
Kidder, F. S. (Fred SMith), b. 1863 · New York : The Sheet Metal Publication Company · leaf 242
233 THE CONE CONSIDERED terns have been secured by utilizing the frustum of a cone as the main stem. Properties of the Right Cone. Some properties of the right cone will be explained before taking up the actual pattern demonstration, since an understanding of the cone is essential to a successful… … Fig. 114. An Elevation of a Right Cone and Lines of Section. The cone is defined as an object which tapers uni- formly from a circular base to a point. If the point lies in the perpendicular from the center of the base, the cone is a right cone, otherwise an oblique or a scalene cone. The right…
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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