Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 149
will be apparentupon referring to Fig. 4,which is the same as Fig.2, except that the lowerlines have been left outfor greater clearness. Wehave therefore arrived atthe following important fact: The average effective pressure in one end of the cylinderof an engine is represented by the average width… … Fig. 4. — Finding the Average Pressure. 1894.] THE LOCOMOTIVE, 141 multiplying the average width <>f tlur card, in inches, by the number of the spring that.was used in taking the card. The only reason why we use a planimeter, in figuring up engine cards, is that thatinstrument gives us an…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
