Excerpt from A Textbook on Steam Engineering 14. General Description. - The type Of pump by far the most numerous is the direct-acting pump, by which is meant a steam-driven pump in which there are no revolving parts, such as Shafts, cranks, and flywheels, or pumps in which the pressure of the steam in the steam cylinder is g. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.