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 35
be drawn on the paper against theblade of the T-square (Fig. 19), then the T-square slid along the edge of the board, and 16 MECHANICAL DRAFTING other lines drawn in the same way, these lineswill be parallel to one another. In making drawings, the drawing boardshould either lie flat on the table or… … Fig. 19. Drawing ParallelLines with T-Sciuare. Fig. 20. Drawing Angles of15 and 75 Degrees. 28. For drawing vertical or inclined lines,the triangles are used. When one of the shortersides of a triangle is placed against the edge ofthe T-square, a vertical line may be drawnagainst one of the other…
Architecture · Building
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