Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 85
pyramid, 3 long, is at 30° to the projection plane, and one of the edges of the base, ilong, is at 45° to the projection plane. CHAPTER XI SECTIONS OF SIMPLE SOLIDS Section 22. Sections of solids are made by passing planes through them.By rabatting these planes, carrying with them the outline… … Fig. 77 Illustrations of the process are shown in several figures now to be considered. In Fig. 77 a cube has a vertical section plane RST passing through it. Hori-zontal edges are cut by it at a, b and c, while at d two of the inclined edges arecut. Realize that three inclined faces are cut and…
Geometry, Descriptive
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