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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... number by another , select the logarithms from Table 42 , and when properly indexed their sum will be the logarithm ... Example : Multiply 203.4 by 3 . 203.4 3 . Ans . 610.2 . index 2.30835 66 +0.47712 203.4 X3 = = 2.78547 Proof 610.2 Example ...
... number by another , select the logarithms from Table 42 , and when properly indexed their sum will be the logarithm ... Example : Multiply 203.4 by 3 . 203.4 3 . Ans . 610.2 . index 2.30835 66 +0.47712 203.4 X3 = = 2.78547 Proof 610.2 Example ...
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And Examination Specialty Richard Marriotte Pugsley. DIVISION To divide one number by another , select the logarithms ... Example : Divide 20.01 by 8.7 . 20.01 8.7 Ans . 2.300 index 66 1.30125 - 0.93952 Example : Divide 7 by 8 . 7 . 8 ...
And Examination Specialty Richard Marriotte Pugsley. DIVISION To divide one number by another , select the logarithms ... Example : Divide 20.01 by 8.7 . 20.01 8.7 Ans . 2.300 index 66 1.30125 - 0.93952 Example : Divide 7 by 8 . 7 . 8 ...
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... number directly opposite , dividing it by 60 and then multiply by the number of seconds or reduce the seconds to a ... Example : Find the logarithm sine for 35 ° 25 ′ 28 ′′ . 35 ° 25 ' 28 " 35 ° 25 ′ 28 ′′ sin . cor . = sin . 9.76307 + 8 ...
... number directly opposite , dividing it by 60 and then multiply by the number of seconds or reduce the seconds to a ... Example : Find the logarithm sine for 35 ° 25 ′ 28 ′′ . 35 ° 25 ' 28 " 35 ° 25 ′ 28 ′′ sin . cor . = sin . 9.76307 + 8 ...
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... Example : Compass course S. Compass course S. Ans . , dev . 3 ° 00 ' E. Example : Compass course S. 1⁄2 W. At ... NUMBER I Com . Co. S. E. by E. 18.
... Example : Compass course S. Compass course S. Ans . , dev . 3 ° 00 ' E. Example : Compass course S. 1⁄2 W. At ... NUMBER I Com . Co. S. E. by E. 18.
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... EXAMPLE NUMBER I Both latitudes and longitudes to find the course and distance : A ship is in latitude 36 ° 51 ′ oo " N. and longitude 70 ° 55 ′ 45 ° W. Find the course and distance to Barnegat light in latitude 39 ° 45 ′ 52 ′′ N. and ...
... EXAMPLE NUMBER I Both latitudes and longitudes to find the course and distance : A ship is in latitude 36 ° 51 ′ oo " N. and longitude 70 ° 55 ′ 45 ° W. Find the course and distance to Barnegat light in latitude 39 ° 45 ′ 52 ′′ N. and ...
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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