The history and development of sounding with particular reference to precise supersonic-echo sounding methods as recently developed in the U.S. Engineer department. : July, 1940 ... The Engineer school, United States army.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. print. off,
1941.
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| Series: | Occasional papers (U.S. Army Engineer School) ;
no. 73. |
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| Physical Description: | 1 preliminary leaf, 92 pages ; illus., diagrs. ; 24 cm. |
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| Bibliography: | Bibliography: pages 89-92. |