NAUTICAL WORKS. 37 



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 SEA TERMS AND PHRASES. 



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DEFINITIONS IN NAVIGATION & NAUTICAL 

 ASTRONOMY. 



BY P GROVES-SHOWELL, 



Head of the Navigation Department, L.C.C. School, Poplar. 



CONTENTS. Definitions. Gen eral. Navigation . Nautical Astron omy . 

 Time. Miscellaneous. Notes. Measurements. Mariner's Compass. 

 Chronometer. Azimuth Compass. Pelorus. Sextant. Vernier. Arti- 

 ficial Horizon. Sounding Machine. Log. Station Pointer. Barometer. 

 Thermometer. Hygrometer. Hydrometer. Miscellaneous. Star Nomen- 

 clature. Greek Alphabet. Planetary Symbols. Weights and Measures. 

 Areas. Volumes. Useful Notes. INDEX. 



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Attention is also drawn to the following: 



HYDROGRAPHIC SURVEYING. By COMMANDER S. 

 MESSUM, R.N. [See page 16. 



THEODOLITE SURVEYING. By Professor JAMES PARK. 



[See page 41. 



THE FORCE OF THE WIND. By HERBERT CHATLEY, B.Sc. 



[See page 23. 



THE EARTH'S ATMOSPHERE. By Dr. T. L. PHIPSON. 



[See page 46. 



WIRELESS TELEGRAPHY. By GUSTAVE EICHHORN, PH.D. 



[See page 29. 



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