Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 53
Fig. 1. meciiaxical dhawixc;. plan is directly Inflow tlie oliiect, and the elevation directly be-hind, it foUfnvs that in actual drawing tlie plan jnust he verticallybelow the elevation, point for point. This is one of tlie funda-mental principles of projection, and should he thoroughly… … Fi^. 2. line, and the distance of a in front of the vertical plane is equalto the distance of ai in front of the ground line. Applying thisprinciple to Fig. 3, the point represented by a and a must Ije apoint |inch above II and 1 inch in front of V. All points on an object at the same height must…
Mechanical engineering
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