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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70개의 결과 중 1 - 5개
5 페이지
... EQUALITY . The sign of equality : indicates that the quan- tities between which it is placed are equal , as in latitude 30 ° , departure 60 ' difference of longitude 120 ' . = · DECIMAL POINT . The sign indicating by its position 7.
... EQUALITY . The sign of equality : indicates that the quan- tities between which it is placed are equal , as in latitude 30 ° , departure 60 ' difference of longitude 120 ' . = · DECIMAL POINT . The sign indicating by its position 7.
11 페이지
... find the sec- onds in the left - hand mile column . The correction will be found opposite in the column of differences next to that from which the loragithm is taken and is added or subtracted , accord- ing to the next logarithm being ...
... find the sec- onds in the left - hand mile column . The correction will be found opposite in the column of differences next to that from which the loragithm is taken and is added or subtracted , accord- ing to the next logarithm being ...
13 페이지
... Difference of latitude is the quantity taken for each cor- rected course and distance from the latitude column in Tables I or 2 , taking care to use the top or bottom according to the course . They are entered in the traverse table 15.
... Difference of latitude is the quantity taken for each cor- rected course and distance from the latitude column in Tables I or 2 , taking care to use the top or bottom according to the course . They are entered in the traverse table 15.
14 페이지
... found in Table 3 for any degree or mile of latitude to latitude 79 ° 59 ′ . Meridional difference is the difference of the meridional parts for the latitudes of any two points on the earth's surface . HOW TO USE A DEVIATION TABLE Never ...
... found in Table 3 for any degree or mile of latitude to latitude 79 ° 59 ′ . Meridional difference is the difference of the meridional parts for the latitudes of any two points on the earth's surface . HOW TO USE A DEVIATION TABLE Never ...
21 페이지
... difference of latitude and departure for a course N. 31 ° E. and distance 47 miles is wanted . Turn to 31 ° and run ... found and should be placed in the E. column of the traverse table . If the corrected course N. 59 ° E. is taken with the ...
... difference of latitude and departure for a course N. 31 ° E. and distance 47 miles is wanted . Turn to 31 ° and run ... found and should be placed in the E. column of the traverse table . If the corrected course N. 59 ° E. is taken with the ...
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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