Price, ten cents. This report contains the results of a series of tests with three wing models. By changing the section of one of the models and painting the surface of another, the number of models tested was increased to five. The tests were made in order to obtain some general information on the
โฆ LIBER โฆ
National advisory committee for aeronautics: Report NO. 214, Wing Spar Stress Charts and Wing Truss Proportions. By Edward P. Warner. 18 pages, illustrations, quarto. Washington, Government Printing Office, 1925. Price, ten cents
- Publisher
- Elsevier Science
- Year
- 1925
- Tongue
- English
- Weight
- 62 KB
- Volume
- 200
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
ment of the manner of the occurrence of petroleum and the methods of obtaining it. The book also contains information about the sanitary care of the workers and the methods of dealing with accidents that may occur at the wells and refineries. The author is a mining engineer connected with an institution at Strasburg, for instruction in the engineering questions concerning petroleum and other combustible liquids. The book is liberally illustrated with drawings, which, though mostly merely sketches, are satisfactory.
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