U.S. Rep. to the U.N. Regional Cartograp Recent United States Progress and Interesting Technical Developments in Cartography PDF (English)
Alfred H. Kerrick Precise Astronomic Positions from projected Star Positions analytically processed PDF (English)
H. E. Finnegan Proposed new Format for tabulating Predictions of Tidal High and Low Waters and Tidal Current Phases PDF (English)
M. Dupuy New Methods for computing Homofocal Hyperbolic Grids (French Decca Chain) on Charts in conformal Projection PDF (English)
H. P. Checking of "Decca" Pattern of French Chain on Chart No. 3033 ter, From Lorient to the Gironde PDF (English)
Hydrographic Department, British Admiral The Decca Navigator in Hydrographic Surveying (British Admiralty) PDF (English)
A. P. Crary Bathymetric Chart of the Arctic Ocean along the route of T-3 April 1952 to October 1953 PDF (English)
Elizabeth M. Kampa, Brian P. Boden Submarine Illumination and the Twilight Movements of a Sonic Scattering Layer PDF (English)
J. N. Carruthers, A. J. Woods, A. J. Lee On the Instrumental Measurement of Line Shape under Water PDF (English)
The Marconi International Marine Communi Echo Sounding Apparatus : New Marconi "Graphette" Dry-Paper Recording Echometer PDF (English)
