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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 322

An illustration from 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, leaf 322
is customary to rate boilers by theirhorse power, consideringjo potmds of water evapor-ated from feed water at 100 F., under pressure of70 lbs. by the steam gauge, is equivalent to one horsepower; this is equivalent to 34^ lbs. of water evap-orated from feed water at a temperature of 212° F.,into… … lb ■© ® ©■©-ee©<5> ©■*©•©■© ©^S-->§; e- @%® -®-!f}-^^>®- ©{^ ©^-sfe■© ©•©-©-©■©-© f-©-©■©■©■©-©-©■-C# ®-©-:@;o-S ©■© ©iS:-©-^!;-©^©^--S ©&©■©■ 6-^©©-©-©■© ©oe-,,^-;®! ©©-©■©-© ©■*■ ©■©-©-©-©-©vfro ©■©■© ®©©©0^ ©©©■©-© K3 © 6©®© ©a> ©-©-©-* ©■©©> ©-©^■©■®©…

Mechanical drawing · Machine design

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