SeamanshipW.J. Potts & Company, 1880 - 181ÆäÀÌÁö |
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62 ÆäÀÌÁö
... altitudes of celestial objects . Or it is a vessel containing oil , tar , quicksilver , or other liquid ; it is used on shore to obtain altitudes of celestial objects . 13. — True course of a Ship is the angle between the true meridian ...
... altitudes of celestial objects . Or it is a vessel containing oil , tar , quicksilver , or other liquid ; it is used on shore to obtain altitudes of celestial objects . 13. — True course of a Ship is the angle between the true meridian ...
63 ÆäÀÌÁö
... altitude ACS ECB - ACS ' = SCS ' . Figure 4 . " N ¥Ì¥Å W M W W E R P P Def 13. Fig . 4. Let NCS be 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 ...
... altitude ACS ECB - ACS ' = SCS ' . Figure 4 . " N ¥Ì¥Å W M W W E R P P Def 13. Fig . 4. Let NCS be 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 ...
64 ÆäÀÌÁö
... Altitude of a Celestial Object is its angular distance above the horizon , when the object is on the meridian . 21. Azimuth is the angular distance of a celestial object from the observer's meridian ; it is measured on the horizon . 22 ...
... Altitude of a Celestial Object is its angular distance above the horizon , when the object is on the meridian . 21. Azimuth is the angular distance of a celestial object from the observer's meridian ; it is measured on the horizon . 22 ...
65 ÆäÀÌÁö
... Altitude . Def . 21. Fig . 6. If X be the object , the angle HZB , or arc HB , is the Azimuth . Def . 22. Fig . 6. If B be the object , the angle AZB , or arc AB is the Amplitude . Def . 23. Fig . 6. If X be the object , the arc XD is ...
... Altitude . Def . 21. Fig . 6. If X be the object , the angle HZB , or arc HB , is the Azimuth . Def . 22. Fig . 6. If B be the object , the angle AZB , or arc AB is the Amplitude . Def . 23. Fig . 6. If X be the object , the arc XD is ...
66 ÆäÀÌÁö
... altitude . 81. Observed Altitude is the angular distance of an object above the horizon as shewn by a sextant . 32. Apparent Altitude is the observed altitude corrected for index error , dip , and semi - diameter . 33. True Altitude is ...
... altitude . 81. Observed Altitude is the angular distance of an object above the horizon as shewn by a sextant . 32. Apparent Altitude is the observed altitude corrected for index error , dip , and semi - diameter . 33. True Altitude is ...
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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