A method for the Accurate Measurement of short Time Intervals

1929

Littlehales, G.W.

Mechanical means of finding Geographical Positions in navigation

1929

Luymes, J.L.H.

The Adjustment of the Hydrographic Surveys in the Moluccas

1929

Maurer, Dr. H.

Echo Sounding - VII (Correction to soundings)

1929

Romagna Manoia, G.

Report on the Scientific researches carried out by H.I.M.S. "Citta di Milano" at Spitsbergen during the Arctic Expedition of 1928

1929

Smith, E.H.

Narrative Account of the"Marion" Expedition (in the North of Davis Strait)

1929

Vanssay de Blavous, P. DE

Calculation of the Geographical Co-ordinates on the International Ellipsoid.

1929

Zorell, F.

Sounding of the Deeps in the vicinity of Japan

1929

(E) Bulletin of the Geodetic Section of the International Geodetic and Geophysic Union - Extract from the Report of Proceedings of the Prague Meeting, 1927

1929

(E) Conditions of Test for Sextants. - National Physical Laboratory, Teddington

1929

(E) Dutch Pendulum Observations in the Atlantic, the Padfic and the Indian Oceans

1929

(E) Tables for observations with the Prismatic Astrolabe. (R.P. de la Villemarque) Zi-Ka-Wei, 1928

1929

(R) Anales Hidrograficos - Argentina (Tome VIII), 1928

1929

(R) Annales Hydrographiques (3e Serie, Tome VIII), Paris, 1927-28

1929

(R) Annual Report of the Director, U.S. C. & G. Survey, 1927

1929

(R) Correction of the effect of the Magnetic Field on the Rates of Watches. (P. Ditisheim) Paris, 1928

1929

(R) Measurement of salinity of Sea Water (J.H. Service, Washington, 1928)

1929

(R) The effect of Vibration on the Rates of Chronometers. (G.P. Arcay) Paris, 1928

1929

(R) The Theory of the Gyroscopic Compass and its Deviations. (A.L. Rawlings) London, 1929

1929

(R) The Transmission of Sound through Sea Water.(J.H. Service, Washington, 1928)

1929

(R) Topographic Manual. (U.S.C. & G. Survey) Washington, 1928

1929

(R) Unterwasserschalltechnik - Submarine Akustik in Theoric und Praxis (F. Aigner), Berlin, 1922

1929

(R) Wireless Longitude (U.S.C. & G. Survey) 1924

1929

Amici-Magnaghi Reflecting Cirde. (Italy)

1929

Coutinho-Plath Sextant. (Hamburg)

1929

Floating Signals used by the U.S. Coast & Geodetic Survey

1929

Internal Focusing Anallatic Tacheometer. (Cooke, Troughton & Simms)

1929

O.P.L. Bubble Octant. (Levallois)

1929

Oscillograph outfit for Research Work by the Cambridge Scientific Instrument Company

1929

Plath Surveying Sextant with Pentagonal Prism (Hamburg)

1929

Portable Chronograph of the Cambridge Instrument CO.

1929

Portable Instruments for measuring Angles

1929

Record of the Hydrographic Work undertaken by the Russian Navy during the past century

1929

Sounding Machines used by the U.S. Coast & Geodetic Survey

1929

The Behm "Limnolot" Sounder

1929

The Cambridge University East Greenland Expedition, 1926

1929

The Chernikeeff Electric Log

1929

The Illumination of the Bubble of a Spherical LeveL. (A. De Grammont)

1929

The R.A.E. Bubble Sextant by H. Hughes & Son, London

1929

The S.I.P.L. Navigational Calculator, Paris

1929

Thermoelectric Sounder by Commander Laboureur

1929

Benker, H.

The Determination of the Magnetic of Liquid Compasses

1928

Fave, M.L.

Quadrant with spherical level for fixing the position in a Balloon

1928

Gougenheim, A.

The recent determination of a world-wide series of Fundamental Longitudes

1928

H.B.

(R) Handbuch fur Kustenvermessungen, Berlin, 1927

1928

H.B.

(R) Handledning i Sjomatning, Stockholm, 1924-1926

1928

H.B.

(R) Manuale di Idrografia per la Costruzione delle carte marine, Livomo, 1927

1928

Heck, N.H.

The Coast & Geodetic Survey and Oceanography in the Pacify

1928

Lejay, Rev. Fr. P.

Suppression of Contacts in Astronomical Clocks

1928

Maureb, H.

The Soundings of the Exploring Vessel "meteor" and Nautical Science (Corrections to soundings)

1928

Otte, F.

Hydrographic Surveying in China

1928

Parkhurst, D.L.

A Micrometer Microscope equiped with an Illuminated Scale

1928

Pelissier

Concerning two Dangers of Doubtful Existance off the coasts of Annam

1928

Pelissier

Note on certain Shoals of the Newfoundland Bank

1928

Service, J.H.

Phenomena observed in connection with Radio-Acoustic Position Finding and Echo Sounding. Shielding of the Hydrophones

1928

Tonta, L.

Concerning the Correction at the Quadrantal Error in Compasses of !arge magnetic moments

1928

Wood, A.B., Ford, J.M.

The Phonic Chronometer. (H. Tinsley & Co.) London

1928

(E) Expedition to Baffin Bay (U.S. Coast Cuard) 1928

1928

(R) Annali Idrografid (Vol 11), Genoa, 1927

1928

(R) Hydrographic Manual (U.S. C & G. Survey), Washington, 1928

1928

(R) Resumen de los Trabajos de la Comision Hidrografica de Espana en la costa de Galiciaen los anos 1903-1918, Madrd, 1925

1928

(R) Tables of the Velocity of Sound in Pure Water and Sea Water for use in Echo Sounding and Sound Ranging. (British Admiralty Publication H.D. No. 282)

1928

(R) Trabajos de campo que se efectuan en la Comision Hidrografica para el levantamiento de las cartas y planos. U. Cervera), Madrid, 1927

1928

(R) Verhandlungen der Baltischen Geodatischen Kommission, Helsingfors, 1928

1928

A new form of Sextant. (C.F. Casella, London)

1928

Bottom Samplers. (Scripps Institution) La Jolla, 1927

1928

Description of the U.S.C & GS Sounding Tube

1928

Echo Soundings (V); British Admiralty Echo Sounder; Fathometer of the Submarine Signal Co., Boston; Atlas-Lot of the Atlas-Werke, Bremen; Echolot of the Signal Gesellschaft, Kiel

1928

Echo Soundings (VI); Langevin-Florisson Ultra-sonic Sounder (cont.); Acoustic Sounder by stocks or detonations, Marti; system, 192; Behm Echo Sounders, types IV-A, IV-S, IV-N

1928

New Chasselon Theodolite with Microscope. (Paris)

1928

Offshore Soundings. Use of Floating Beacons (France)

1928

Reduction of Echo-Soundings. (Slope correction - diagram by U.S.C. & G. Survey)

1928

Schwarzschild's Air Navigation Sextant with Artificial Horizon

1928

Sextant fitted with an Artificial Horizon by W. Ludolph, A.G. Bremerhaven

1928

Tables of Meridional Parts. (EA. Wedemeyer)

1928

Use of Wireless Te!egraphy in Longitude Determination (U.S.A.)

1928

Albert, G

Charts of the Progress of Hydrography of the British Isles and Sweden

1927

Bencher, H.

Geographical Positions - World Longitude Determinations

1927

Errin, W.G.

The Prime Meridian

1927

H.B.

(R) Correct Velocities for Echo Soundings in the Pacific Ocean. (U.S. Coast and Geodetic Survey Tables)

1927

Hayes, H.C.

(E) Recent developments in Acoustical Depth-finding Apparatus

1927

Kruger, H.C.

The Towed Sounder used by the Conservancy Department of the Naval Yard at Wilhelmshaven and the experiments made therewith

1927

Luymes, J.L.H.

The Hydrographic Survey of the Netherlands East Indian Archipelago

1927

Reinius, G. & Leche, C.

Transits for Testing Compasses

1927

Tonta, L.

On the Curvature of the Lead-line and the Correction for its Inclination

1927

Vanssay de Blavous, P. DE

Ellipsoids and Tables. (Replies to Circular Letters Nos. 18-H and 20-H of 1927)

1927

(R) Catalogues of Instruments

1927

(R) Lavori Geodetici compiuti in Italia e Colonie dal 1922 at 1926 dall'Istituto Idrografia della Regia Marina

1927

(R) Sounding by Fish-lead (Marti), Paris, 1926

1927

Japanese Marine Expedition to the South Seas, 1927

1927

Tabes for the International Ellipsoid of Reference. (International Geodetic and Geophysic Union)

1927

The Henri Wild Telescope Level, Heerbrugg, (Switzerland)

1927

The Henri Wild Universal Theodo!ite, Heerbrugg (Switzerland)

1927

J.M.P.

(R) Hydrographisch Opnemen (J.L.H. Luymes) The Hague, 1925

1926

Rollet de 1'Isle

Methods now in use by the Ingenieurs Hydrographes of the French Navy

1926

Rollet de l'Isle

Historical notes on the Difference of longitude between Paris and Greenvich

1926

(R) Deep Sea Soundings in the East Indian Archipelago (Koninklijk Meteorologisch en Magnetisch Observatorium te Batavia)

1926

Echo Soundings (IV); (Ultra-sonic Sounding Machine, Langevin-Florisson system with Optical Analyser - Marti Sounding Reorder. - British Admiralty Pattern Echo Sounder)

1926

Reinius, C., Bouveng, E.

Sounding in shallow water from a Vessel under way. (Appliances adopted in Sweden)

1925

Reinius, G., Bouveng, E.

The Testing and Adjustment of the Station-Pointer (Protractor). (Method used by the Swedish Hydrographic Office)

1925

An Air-pressure Sounding Machine

1925

Bilbliography relating to Echo Sounding

1925

Echo Soundings (III); (Fessenden's apparatus, Fathometer, Marti apparatus, Sonic Depth Finder, Behm's Echo Sounder, Behm Sounder with Photographic Recorder, Bomb and Explosion sounding)

1925

Question referring to the Accuracy of Hydrographic Soundings

1925

Velocity of Propagation of Sound through Sea Water. (U.S.C. & G. Survey. Tables)

1925

Bencker, H.

Echo Sounding (II). Ultra Sound. Piezo electric quartz (Langevin)

1924

G.S.S.

(R) Handledning i Sjomatning, Stockholm, 1923

1924

Hayes, H.C.

(E) Measuring Ocean Depths by Acoustic Methods. (USA: Angle of Reflection method, Standing Wave method, Echo method)

1924

(R) The Marine Chronometer, its History and Development. (R.T. Gould) London, 1923

1924

J.M.P.

(R) De Methode der kleinste Kwadraten. (J.LH. Luymes) The Hague, 1923

1924

Phaff, J.M.

Note relative to a Compass Rose designed by C. De Bie (1689) (Dr. F.C. Wieder, Leiden)

1924

Reinius, G., Ohlsson-Odelsio, H., Collinder, P.

Boat Sounding and Examination of Shoals in Sweden. (Spar Sweep and Submarine sentry)

1924

Echo Soundings (I); France (Marti Sounder); U.S.H.O. (Sonic depth-finder)

1924

G.S.S.

Echo Sounding: test carried out by the U.S.S "Stewart", 20-29 June 1922

1923