Radio acoustic method of position finding in hydrographic surveys
By: by Commander N. H. Heck, U.S. Coast and geodetic survey, and E. A. Eckhardt, physicist, and M. Keiser, associate electrical engineer, U.S. Bureau of standards.
Contributors: Heck, N. H. 1882-1953.; Eckhardt, Engelhardt August, 1888-; Keiser, Morris.
Series: Special publication,; no. 107
Publisher: Govt. print. off.
Published: 1924
Place of publication: Washington
Language: eng
Number of pages: 23
Subjects: Radio.; Sound.; Hydrographic surveying.
Notes: At head of title: Serial no. 277. Department of commerce. U.S. Coast and geodetic survey. E. Lester Jones, director.