Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 21
the set-squares on one another, asshown in Fig. 5, where the set-square A is held firmly on thepaper, and the other B is slid along the edge ah. Three posi-tions, B, B, B, of the set-square B are shown; the line cclbeing parallel to the corresponding lines drawn through B and B, and perpendicular… … -Using set-squares forparallel lines. Testing set-squares. DRAWING INSTRUMEiNTS, MATERIALS, ETC., AND THEIR USE 3 7. Drawing Paper.—Two kinds of paper are ia general use for drawing purposes: viz. Cartridge imper and Draiving 2iapcr. Cartridge (or Machine-made) drawing paper is used for ordinary…
Mechanical drawing · Geometrical drawing
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