1930: Vol. VII, No. 2 | The International Hydrographic Review

Front Matter
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P. De Vanssay De Blavous

Use of the properties of the arc containing an angle (position line) in navigation and in hydrographic surveys
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L. Tonta

Notes on nautical cartography: Orthodromic charts for fixing the position by radiogoniometric bearings
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P. Collinder

A summary of hydrographical results obtained during an arctic cruise in 1929
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Charting of Hudson Bay and Strait
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P. De Vanssay De Blavous

Slope corrections for echo soundings
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H. Bencker

The bathymetric soundings of the Oceans
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A. Nippoldt

Secular variations of terrestrial magnetism.
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Echo Sounding: IX
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Machine for calculating position: (LE SORT system - Patented)
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The ASKANIA patented Telecompass
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The ASKANIA aircraft compasses
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ASKANIA N° 60 L. surveing sextant and other instruments
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New Logs
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Supply to ships of charts, nautical documents and instuments (continuation)
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L. Tonta

On the curvature of the lead line and the correction for its inclination
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Edmée Chandon

Tidal research in the Red Sea and the Gulf of Suez
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A. H. Sargent

Photographic mapping of Alaska from the air
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The LABRELY system "Planiphote"
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Doctor GASSER's optical projector
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Description of the portable magnetometer of the Ordnance Survey built by the Cambridge Instrument Co., Ltd.
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H. Coldewey

New precise liquid compass card
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William J. Peters

Tilting deviations in magnetic declinations
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H. Maurer

Regions of magnetic perturbation
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G. Cassinis

New instruments for estimating topographical distances
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Marsischky

Mechanical cartographic lettering for photomechanical reproduction
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C. J. Smithelis

Photography on copper
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Chromium plating for theodolite circles
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Hydrographic Bibliography
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