J. D. Nares Methods of Recruiting and Training surveying assistants (continued) (Yugoslavia) PDF (English)
Echo Sounding: I. The new British Admiralty recording Echo-Sounders: Magneto-Striction System PDF (English)
Echo Sounding: III. Marconi Magnetostriction Supersonic Echo Sounding Equipment for deep sea and Navigation purposes PDF (English)
G. Böhnecke Report on Current measurements at station N° 369 of the German Surveying vessel Meteor (E.) PDF (English)
Francis P. Shepard, Charles N. Beard Submarine Canyons: Distribution and longitudinal profiles PDF (English)
Alberto Somma Special aspirating thermometer for measuring the Temperature of the Air at Sea (E.) PDF (English)
Donald J. Matthews Tables for Calculating the Specific Volume of sea-water under pressure PDF (English)
H. B. Hydrographic and Geodetic surveying Manual for the use of U.S. Naval Surveys (R.) PDF (English)
H. B. Practical Air Navigation and the use of the Aeronautical Charts of the U.S. Coast and Geodetic Survey (R.) PDF (English)