THE ENGINEERING INDEX Vol. IV.-FIVE YEARS-1901-1905 EDITED BY HENRY HARRISON SUPLEE, B. Sc. Mechanical Editor of The Engineering Magazine, 1897-1906 Membre de la Société des Ingénieurs Civils de France AND J. H. CUNTZ, C.E., M.E. Associate Editor, The Engineering Magazine, 1900-1905 IN CO-OPERATION WITH TRANSPORTATI CHARLES BUXTON GOING, Ph.B. Managing Editor of The Engineering Magazine VERSITY OF MICH NEW YORK AND LONDON THE ENGINEERING MAGAZINE 1906 The monthly continuation of the Index, from the close of 1905, is to be found in the successive issues of The Engineering Magazine. THE ENGINEERING MAGAZINE. 140-142 NASSAU STREET, 222-225 STRAND, W. C., NEW YORK. LONDON. THE ENGINEERING MAGAZINE SPECIALLY DEVOTED TO THE INTERESTS OF Engineers, Superintendents and Managers CONTAINING ORIGINAL ARTICLES-Illustrated Prepared Exclusively for the Magazine by the Foremost Engineering Authorities in the World. EXPERT REVIEWS of the Most Important Publications Appearing Currently in the British, American and Continental Press. THE ENGINEERING INDEX Covering the Technical Literature of the World month by month. PREFACE THIS Fourth Volume of THE ENGINEERING INDEX represents the continuation of the work originally started by the late Professor J. B. Johnson in the Journal of the Association of Engineering Societies in 1884, and turned over by that Association to THE ENGINEERING MAGAZINE at the close of 1895. The previous volumes, published respectively in 1892, 1896, and 1901, covered with increasing fullness and thoroughness the field of technical engineering periodical literature, and in the present volume every care has been taken to maintain and advance the standard set by its predecessors. The classification used in this volume is substantially the same as that introduced in Volume III, this having found such general acceptance as to demonstrate its applicability to the purpose, and the only modifications introduced are those made necessary by the development of certain departments of applied science as explained in the instructions given for the use of the Index, in the pages which immediately follow. The use of cross-reference entries has been materially extended, so that every facility is afforded in the search for any article. This volume contains more than 50,000 entries, as against 40,000 for Volume III; an indication both of the natural growth of the Index and the increasing thoroughness with which the cross-referencing has been done. The comprehensive extent of the Index will be seen by an examination of the list of periodicals indexed, these covering 250 technical and engineering journals, in six different languages, about one-fourth of the periodicals indexed being in languages other than English. In every case a brief abstract is given, showing the scope and purport of the article, and in many instances this is sufficient for the purposes of the investigator without further reference. In general, however, the Index is used as a guide to the vast mass of information otherwise practically buried in the numerous files of engineering publications in the reference libraries in all parts of the world, and the Engineering Index thus becomes the master-key by which these storehouses of information may be entered. Thus, the combination of the invaluable technical libraries of the American Institute of Mining Engineers, the American Society of Mechanical Engineers, and the American Institute of Electrical Engineers in the new engineering building in New York City brings together sets of the leading technical journals of the world through which no individual |