SeamanshipW.J. Potts & Company, 1880 - 181페이지 |
도서 본문에서
21개의 결과 중 1 - 5개
62 페이지
... true meridian and the ship's track . 14. Magnetic course is the angle between the magnetic meridian and the ship's ... true and magnetic meridians . 17. - Deviation of the Compass is the angle between the compass needle and the magnetic ...
... true meridian and the ship's track . 14. Magnetic course is the angle between the magnetic meridian and the ship's ... true and magnetic meridians . 17. - Deviation of the Compass is the angle between the compass needle and the magnetic ...
63 페이지
... true meridian , N.S. the North and South points of the true compass , E. W. its East and West points and C its centre . Let MP , M ' P ' be magnetic meridians ; CE ' , CE " , CW ' , CW " directions of the compass needle ; and RL the ...
... true meridian , N.S. the North and South points of the true compass , E. W. its East and West points and C its centre . Let MP , M ' P ' be magnetic meridians ; CE ' , CE " , CW ' , CW " directions of the compass needle ; and RL the ...
66 페이지
... , dip , and semi - diameter . 33. True Altitude is the apparent altitude corrected for refraction and parallax . Def . 27. Fig . 7. The angle SOS ' 66 SEAMANSHIP . 27. Refraction is the bending of rays of light caused ...
... , dip , and semi - diameter . 33. True Altitude is the apparent altitude corrected for refraction and parallax . Def . 27. Fig . 7. The angle SOS ' 66 SEAMANSHIP . 27. Refraction is the bending of rays of light caused ...
67 페이지
... True Altitude of the centre . This is found by applying the Index Error and Dip to the Observed Altitude of the Lower Limb , the result is the Apparent Altitude of the Lower Limb , to which the Refraction , Parallax , and semi ...
... True Altitude of the centre . This is found by applying the Index Error and Dip to the Observed Altitude of the Lower Limb , the result is the Apparent Altitude of the Lower Limb , to which the Refraction , Parallax , and semi ...
68 페이지
... true East and West points of the horizon . 37. Civil time begins at Midnight and ends at .the following Mid- night . The first 12 hours is called A.M. , the second P.M. 38. Astronomical Time begins at noon and ends at the following noon ...
... true East and West points of the horizon . 37. Civil time begins at Midnight and ends at .the following Mid- night . The first 12 hours is called A.M. , the second P.M. 38. Astronomical Time begins at noon and ends at the following noon ...
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abaft altitude was observed anchor assuming the latitudes backstays beam BERGEN bills of lading blasts block boat bore by Compass bottomry bowsprit captain cargo casks chart charter charter party Chronometer shewed close hauled crew cringle crosstrees damage deck demurrage Deviation distance Distant Signals dunnage fast feet Find the Ship's Fixed fore foremast freight green light hawser heave hoist inches lash Latitude 50 leech line of bearing load Longitude lower mast head master mate merchant miles minutes mizen NORTH SHIELDS observed altitude owner points port side red light reeve riding rigging rope rudder sailing ship second altitude Ship by Sumner's Ship's Head Ship's position shrouds signal spar starboard side stay staysail steam ship steamer steering stern stow Sumner's Method Sun's suppose the Ship's tack tackle taking the second tide topgallant topgallant mast topmast topsail trysail vessel weather wind windward yard