First principles of mechanical and engineering drawing (1897)
Holt-Butterfill, H · London : Chapman & Hall · leaf 56
44 FIRST PRINCIPLES OF 45° with the IL, that line will be a plan of the triangle ABC when atthat angle with the VP. Bisect ac in b, through b draw a projectorperpendicular to the IL, and from B, in Fig. 73, another parallel to it,cutting the one drawn from b in b. Then, from a and c draw…
Mechanical drawing
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