Pugsley's Dead Reckoning, Including the Various Methods of Finding Course and Distance by Mercator and Middle Latitude Sailings: And Examination SpecialtyR.M. Pugsley, 1916 - 176페이지 |
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13 페이지
... bearing reversed of the fixed object on shore from which a ship takes her departure upon leav- ing port . The distance is also noted . Wind is air in motion and its direction is named after the point from which it blows . Current is ...
... bearing reversed of the fixed object on shore from which a ship takes her departure upon leav- ing port . The distance is also noted . Wind is air in motion and its direction is named after the point from which it blows . Current is ...
16 페이지
... bearing ; but when a bearing is taken , carefully note the point the ship was head- ing at the time the bearing was observed . No matter what the bearing may be , take the deviation for the ship's head . Example : Compass course W. by S ...
... bearing ; but when a bearing is taken , carefully note the point the ship was head- ing at the time the bearing was observed . No matter what the bearing may be , take the deviation for the ship's head . Example : Compass course W. by S ...
85 페이지
... bearing N. W. 1⁄2 W. distant 9 miles , ship's head S. 1⁄2 E. Deviations as per table on page 16. Throughout the 24 hours a current set N. N. E. magnetic 1 % miles per hour . Variation 6 ° W. The ship was sailed as follows : COURSE S. by ...
... bearing N. W. 1⁄2 W. distant 9 miles , ship's head S. 1⁄2 E. Deviations as per table on page 16. Throughout the 24 hours a current set N. N. E. magnetic 1 % miles per hour . Variation 6 ° W. The ship was sailed as follows : COURSE S. by ...
91 페이지
... bearing N. N. E. distant 10-510 miles , ship's head S. 1⁄2 W. Variation 10 ° 00 ′ W. Deviations as per table on page 16. Throughout the 24 hours a current set N. E. magnetic and its drift % mile per hour . The ship was sailed as follows ...
... bearing N. N. E. distant 10-510 miles , ship's head S. 1⁄2 W. Variation 10 ° 00 ′ W. Deviations as per table on page 16. Throughout the 24 hours a current set N. E. magnetic and its drift % mile per hour . The ship was sailed as follows ...
102 페이지
... bearing S. by E. distant 6'.5 . Ship's head S. by E. 1⁄2 E. Deviation as per table on page 16. Throughout the 24 hours a current set W. by S. ( magnetic ) % of a mile per hour . Variation 6 ° 45 ′ E. The ship was sailed as follows ...
... bearing S. by E. distant 6'.5 . Ship's head S. by E. 1⁄2 E. Deviation as per table on page 16. Throughout the 24 hours a current set W. by S. ( magnetic ) % of a mile per hour . Variation 6 ° 45 ′ E. The ship was sailed as follows ...
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add the logarithm Barnegat light Cape Horn chief mate coastwise steam vessels compass course corresponding number course and distance COURSE NUMBER DEAD RECKONING deck department difference of latitude difference of longitude Dist distance column Enter Table EXAMPLE NUMBER EXPLANATION Find Find the course Find the difference gives the logarithm latitude 35 latitude 55 latitude and departure latitude and longitude latitude and takes latitude by subtracting latitude column logarithm cosine logarithm secant logarithm tangent Long longitude 74 mate of ocean Mercator sailing meridional difference Middle lat middle latitude sailing mile and find miles and name name it south navigation nearest mile ocean or coastwise ocean steam vessels original license pilot point in latitude point left Prop proper difference PUGSLEY'S sail vessels Sandy Hook ship 38 ship has sailed signals subtract the logarithm subtracting the latitude Table 3 take take the meridional tang third mate traverse table white light