Machinery's Encyclopedia, Vol. 7

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Excerpt from Machinery's Encyclopedia, Vol. 7: A Work of Reference Covering Practical Mathematics and Mechanics, Machine Design, Machine Construction and Operation, Electrical, Gas, Hydraulic, and Steam Power Machinery, Metallurgy, and Kindred Subjects, Index and Guide to Systematic ReadingThe encyclopedia has been very completely cross-indexed that is, the same subject may be found by referring in the index to any of the main words that would be likely to be thought of in connection with it. The user of the encyclopedia should be cautioned, however, not to assume that a subject is omitted, simply because he does not find it under the first word that may enter his mind, should a subject not be found directly upon the first reference to the index, the user is advised to look up some other heading in the index, particularly one containing the most important word in connection with the topic in which he is interested.The method Of indexing requires but little explanation, as it is very clear and simple. The index of the encyclopedia is like the index of any other book, in that it refers to the volume and the page where the information sought will be found. In order, however, to still further facilitate reference to subject matter that may be inconspicuously given in the text, the index does not refer only to the page, but also to that part of the page where the reference will be found. This is done as follows: The reference, III, 26 5-2, indicates that the information sought is found on page 265 of Volume III, the last figure 2, printed in italics, shows that the reference is found in the lower left-hand column of that page. The figures I, 2, 3, and 4, printed in italic type after the page number, each refer to one-fourth of the page, I indicates the upper half of the left-hand column, 2, the lower half of the left-hand column, 3, the upper half of the right hand column, and 4, the lower half of the right-hand column. The advantage of this simple method of arrangement of the index is apparent.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.