. The steam engine indicator and its appliances. Being a comprehensive treatise for the use of constructing, erecting and operating engineers, superintendents, master mechanics, and students ... with many illustrations, rules, tables, and examples for obtaining the best results in the economical operation of all classes of steam, gas and ammonia engines ... Its correct use, management and care, derived from the author's practical and professional experience .. . cap, swivel plateand piston rod. In addition to obtaining the most accurate results from,high pressures by the use of the smaller siz
. The steam engine indicator and its appliances. Being a comprehensive treatise for the use of constructing, erecting and operating engineers, superintendents, master mechanics, and students ... with many illustrations, rules, tables, and examples for obtaining the best results in the economical operation of all classes of steam, gas and ammonia engines ... Its correct use, management and care, derived from the author's practical and professional experience .. . cap, swivel plateand piston rod. In addition to obtaining the most accurate results from,high pressures by the use of the smaller size of piston, thiscombined indicator has another advantage in that it requires number of springs for any given range of pressure. For example : A 50 spring may be used in connection withthe larger piston to 120 pounds pressure per square inch, butby substituting the smaller piston, pressures may be indicated to240 pounds with the same denomination of spring; a rangethat would otherwise require two springs; thereby doublingthe range of the instrument with a single spring. Figs. 115 to118 inclusive represent diagrams taken from the Springfield Gasand Gasolene engines. Fig. 115 is from a 7^ inch diameterof cylinder by 14 inches stroke, running 200 revolutions perminute, with scale of spring 120. And Its Appliances. 237 Fig. 116 is from a 13 inch diameter of cylinder by 24inches stroke, running 160 revolutions per minute, with of spring Fig. of the above may be considered as ideal cards inevery respect. Figs. 117 and 118 are from gasolene engines
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidsteamengineindic00houg
