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Excerpt from Valve Gears and Indicators: A Manual of Practical Instruction in Valve-Setting, Use of Indicators, and Other Details of Steam Engine Operation Essential to Efficiency and EconomyDetermination of Indicated horse-power - Mechanical Efficiency Steam distribution-mean Effective Pressure - Piston Speed - Table of Engine Constants - Brake horse-power - Prony Brake - Rope Brake Finding Area of Cards - Planimeter - Thermal Efficiency - Theoretical Indicator Diagram - Atmospheric Lineé - Admission Line - Steam Line Point of cut-off - Expansion Curve - Point of Release - Exhaust Line back-pressure Line - Point of Exhaust Closure - Compression Curve Zero Line - Clearance Line - Drawing the Theoretical Card - Cards for Compound Engines - Combined Diagrams - horse-power of Compound Engines - Defects Revealed by Card (events Too Early or Too Late, Unequal Work at Cylinder Ends, etc.) - Steam Consumption.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.