Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 166
-b are shown in theirtrue lengths, but also all lines parallel to theplane of o-a and o-b. On account of this property, an oblique pro-jection is often more easily made than an iso-metric—as, for instance, in the case of circlesor curves which lie in a plane parallel to the MECHANICAL DRAFTING 139…
Architecture · Building
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