ON MARINE ENGINEERING INTERNATIONAL CORRESPONDENCE SCHOOLS SCRANTON, PA. ARITHMETIC MECHANICS STEAM AND STEAM-BOILERS WITH PRACTICAL QUESTIONS AND EXAMPLES SCRANTON INTERNATIONAL TEXTBOOK COMPANY B-2 Copyright, 1897, 1900, by THE COLLIERY ENGINEER COMPANY, Arithmetic: Copyright, 1892, 1893, 1894, 1895, 1896, 1897, 1898, 1899, by THE COLLIERY Mensuration and Use of Letters in Formulas: Copyright, 1894, 1895, 1897, 1898, by Mechanics: Copyright, 1893, 1894, 1895, 1896, 1897, 1898, by THE COLLIERY ENGINEER Steam and Steam-Boilers: Copyright, 1894, 1900, by THE COLLIERY ENGINEER All rights reserved. CI BURR PRINTING HOUSE, FRANKFORT AND JACOB STREETS, NEW YORK. NOTICE. This set of volumes differs from those printed for the second edition by reason of the fact that Volumes IV and V, the Tables and Formulas and Key Volumes, have been placed under one cover, thus making four volumes in the set instead of five, as formerly. Otherwise there are no changes, except the correction of a few typographical errors. PREFACE TO SECOND EDITION. Owing to the introduction of new devices and new auxiliary machinery and changes in the Government regulations regarding the construction of marine boilers, we have completely revised the Marine Engineering Course and added considerable new matter to it in order to bring it up to date and to extend its scope. With the changes and additions. that have been made, the volumes form the most complete and up-to-date treatise on the subject of marine engineering. that has yet appeared. The subject of marine engineering proper is treated in six Papers. All the matter appearing therein has been selected with special reference to the requirements of persons wishing to obtain government license as marine engineers, or desiring a higher-grade license for ocean, lake, bay, sound, and river steamers. These Papers give the theoretical knowledge that is essential in order to pass the iii |