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 312
FlG. 199. tudinal section of the boiler. The gases part withmuch of their heat before reaching the bottom ofthe boiler, and therefore are less liable to undulyheat the bottom plates where sediment usually col- lects. It has been found that this method of draftheated the plates unequally and thus… … 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
Mechanical drawing · Machine design
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