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 110
jections of the tangent points on the surface of the sphere. 2. Arrange three spheres of difTerent sizes and not far away from each other, placing themat different levels. Find two planes tangent to all the spheres and mark the tangent points onthe spheres. CHAPTER XIV SIMPLE CASES OF… … IlG. yy. chiefly upon recognizing the use of sectional planes or of surfaces which will con-tain elements or generators of both of the given surfaces, meeting each other inpoints common to both given surfaces. The solids should be so arranged as toprovide for the use of planes which will readily…
Geometry, Descriptive
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