Stjepo Kotlarić An Addition to the Discussion on Uniformity in Charts and Hydrographic Documents and a Reform of the Repertory of Technical Resolutions PDF (English)
Tomiju Hashimoto, Yoshinobu Maniwa, Masuo Kato Research on Telesounders (Wireless Remote Control Echo Sounding) PDF (English)
André Gougenheim Navigational Chart of the North Atlantic Using an Oblique Conformal Map Projection PDF (English)
J. C. Bhattacharji Astrofix by Altitudes of Two Pairs of Stars — One Near Meridian and Another Near Elongation PDF (English)
P. L. C. Martin The Contribution of Sedimentology to Hydrography in the Study of Coast and Estuary Changes PDF (English)
Austin C. Poling A Taped Base Line and Automatic Meteorological Recording Instruments for the Calibration of Electronic Distance Measuring Instruments PDF (English)
J. M. Zarzycki The Use of Horizon Camera, Doppler Navigator and Statoscope in Aerial Triangulation PDF (English)