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 313
Fig. 500. through the side flues, this method being called thesplit draft. A Cornish boiler having two internal furnace tubesis called a Lancashire boiler. 342 ROGERS DRAWING AND DESIGN. ^—5r—b ° ° 5—-s-^ ^rtS== ill -^g^rN o ^0 o o S 9 o^ 5 o 3 ^o … \ Fig. 501. u ROGERS DRAWING AND DESIGN. 343
Mechanical drawing · Machine design
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