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 69
imes as far from the light lines asthe distance between them, as shown in Fig. 159. Wooden beams are sectioned by a series ofrines and radiating lines in imitation of the naturalappearance of a cross section of an oak tree. Fig. 160. A beam or board is represented by lines run-ning similarly to… … Fig. 160. usual section lines ; but as this requires consider-able work and produces an ill effect in the drawing,It is often better to fill in the whole sectional areawith solid black. In this case a white line must be left between theadjoining pieces ; this method is recommended onlyfor small…
Mechanical drawing · Machine design
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