tailieunhanh - The Engineering Contributions of Wendel Bollman

The need for speed, the general attenuation of capital, and the simple fact that all the early railroads traversed thickly forested areas rendered wood the most logical material for bridge and other construction, both temporary and permanent. The use of wood as a bridge material did not, of course, originate with the railroads, or, for that matter, in this country. The heavily wooded European countries--Switzerland in particular--had a strong tradition of bridge construction in timber from the Renaissance on, and naturally a certain amount of this technique found its way to the New World with the colonials and immigrants. America's highway system was meager until about the. | The Engineering Contributions of Wendel by Robert M. Vogel 1 THE ENGINEERING CONTRIBUTIONS OF WENDEL BOLLMAN ROBERT M. VOGEL The Engineering Contributions of Wendel by Robert M. Vogel The Project Gutenberg EBook of The Engineering Contributions of Wendel Bollman by Robert M. Vogel This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at Title The Engineering Contributions of Wendel Bollman Author Robert M. Vogel Release Date October 20 2010 EBook 33912 Language English Character set encoding ISO-8859-1 START OF THIS PROJECT GUTENBERG EBOOK THE ENGINEERING Produced by Colin Bell Joseph Cooper Louise Pattison and the Online Distributed Proofreading Team at http Transcriber s Notes The Engineering Contributions of Wendel by Robert M. Vogel 2 This is Paper 36 from the Smithsonian Institution United States National Museum Bulletin 240 comprising Papers 34-44 which will also be available as a complete e-book. The front material introduction and relevant index entries from the Bulletin are included in each single-paper e-book. Inconsistencies in punctuation have been corrected without note. Inconsistent hyphenation is as per the original. SMITHSONIAN INSTITUTION UNITED STATES NATIONAL MUSEUM BULLETIN 240 Illustration SMITHSONIAN PRESS MUSEUM OF HISTORY AND TECHNOLOGY CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY Papers 34-44 On Science and Technology SMITHSONIAN INSTITUTION . WASHINGTON . 1966 Publications of the United States National Museum The scholarly and scientific publications of the United States National Museum include two series Proceedings of the United States National Museum and United States National Museum Bulletin. In these series the Museum publishes original articles and monographs dealing with the collections and work of its constituent .