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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10 페이지
... less than the number of figures to the left of the decimal point . index is 3 . 4563 . 456.3 66 66 2 . 45.63 66 66 .65925 I. 4.563 66 66 0 . To take a logarithm from Table 42 , find the first three figures in the first column and the ...
... less than the number of figures to the left of the decimal point . index is 3 . 4563 . 456.3 66 66 2 . 45.63 66 66 .65925 I. 4.563 66 66 0 . To take a logarithm from Table 42 , find the first three figures in the first column and the ...
13 페이지
... less . Up to and including 4 ° and other angles on the same pages , the correction columns contain the difference for 1 ' . When the angle falls on those pages , the correction for seconds is found by taking the number directly opposite ...
... less . Up to and including 4 ° and other angles on the same pages , the correction columns contain the difference for 1 ' . When the angle falls on those pages , the correction for seconds is found by taking the number directly opposite ...
23 페이지
... less , the top of the table must be used and the columns will be in the order , " Dist . Lat . Dep . " If the corrected course is 46 degrees or more , the bottom of the table must be used and the columns will be in the order , " Dist ...
... less , the top of the table must be used and the columns will be in the order , " Dist . Lat . Dep . " If the corrected course is 46 degrees or more , the bottom of the table must be used and the columns will be in the order , " Dist ...
29 페이지
... less than 45 ° , which must be found at the top of the page . On the other hand , if the departure is greater than the difference of latitude , the course must lie nearer to east or west than to north or south and then the course must ...
... less than 45 ° , which must be found at the top of the page . On the other hand , if the departure is greater than the difference of latitude , the course must lie nearer to east or west than to north or south and then the course must ...
118 페이지
... less experience in any grade than would have been required of a citizen of the United States by birth . ( Sec . 4405 , R. S. ) VISUAL EXAMINATIONS REQUIRED FOR ORIGINAL AND RENEWED LICENSES . 2. No original license as master , mate , or ...
... less experience in any grade than would have been required of a citizen of the United States by birth . ( Sec . 4405 , R. S. ) VISUAL EXAMINATIONS REQUIRED FOR ORIGINAL AND RENEWED LICENSES . 2. No original license as master , mate , or ...
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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