Descriptive Geometry, Applied To The Drawing Of Fortification And Stereotomy - Softcover

D. H. Mahan

 
9780371916759: Descriptive Geometry, Applied To The Drawing Of Fortification And Stereotomy

Synopsis

Descriptive Geometry, Applied To The Drawing Of Fortification And Stereotomy by D. H. Mahan is a classic 1864 treatise that introduces one-plane descriptive geometry and its application to fortification drawing and stereotomy. The work explains the plane of reference, references, declivity, and the plane of comparison, presenting a structured sequence of problems (Prob. 1–19) that address the projection of lines and planes, horizontals, tangents, intersections, and the development of curved surfaces. It covers irregular surfaces, cones, cylinders, and the construction of tangent planes and normals, with extensive treatment of fortification elements such as ramparts, parapets, and the drawing of works. Additionally, it includes stone cutting methods, joints in arches (voussoirs), and practical guidance for drafting accuracy, scale, and presentation. The Preface highlights its long use at the U.S. Military Academy and its publication by Wiley in 1864. The author, D. H. Mahan, LL.D., was Professor of Fortification, Civil Engineering, at the United States Military Academy.

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