3 treff

Progress of work in terrestrial magnetism of the U.S. Coast and Geodetic Survey, January 1, 1925, to June 30, 1927
by N.H. Heck and D.L. Hazard
Bok Engelsk 1927
Radio acoustic method of position finding in hydrographic surveys
by N.H. Heck and E.A. Eckhardt and M. Kei...
Bok Engelsk 1924
Velocity of sound in sea water
by N.H. Heck and Jerry H. Service
Bok Engelsk 1924