Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 99
Fig. a». They may be drawn by the 30° and 60° triangles ;the lines ac and ab forming angles of 30° with ahorizontal line ; ag is a vertical line. All the lines in this figure are parallel to theseaxes, viz.: all the lengths are parallel to ab and allthe widths are parallel to ac. … Fig. 210. ROGERS DRAWING AND DESIGN. 115 The method of thus representing objects is calledisometricprojectioti; drawings made in this mannershow very clearly, with one view, the object as itappears when looked upon ; all the sizes of theobject are drawn full size, or made to one scale,parall(;l to…
Mechanical drawing · Machine design
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