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 |
도서 본문에서
24개의 결과 중 1 - 5개
22 페이지
... enter Table 2 with half of it , or if that is too large , use a third or a quarter ; but in any case the largest that falls within the limits of the table is to be used . The mean found must be multiplied by the same number which was ...
... enter Table 2 with half of it , or if that is too large , use a third or a quarter ; but in any case the largest that falls within the limits of the table is to be used . The mean found must be multiplied by the same number which was ...
23 페이지
... Enter Table 2 with the course 81 ° , which is found at the bottom of the page . With 8 miles in the distance column and reading from the bottom , of the page , take out the difference of latitude , 1'.3 , and place it in the south ...
... Enter Table 2 with the course 81 ° , which is found at the bottom of the page . With 8 miles in the distance column and reading from the bottom , of the page , take out the difference of latitude , 1'.3 , and place it in the south ...
26 페이지
... enter Table 2 and is found at the bottom of the page . The distance being 36.4 miles , 364 miles is used , which necessitates moving the decimal points in the numbers from Table 2 one place to the left , giving the difference of ...
... enter Table 2 and is found at the bottom of the page . The distance being 36.4 miles , 364 miles is used , which necessitates moving the decimal points in the numbers from Table 2 one place to the left , giving the difference of ...
29 페이지
... entered in the traverse table , each column is added separately . The difference is then found between the sums of the north and south columns and is given the name of the greater . The difference is also found between the sums of the ...
... entered in the traverse table , each column is added separately . The difference is then found between the sums of the north and south columns and is given the name of the greater . The difference is also found between the sums of the ...
32 페이지
... Enter Table 2 with the difference of latitude and departure , and where they agree , or nearly so , the course and distance will be found . EXAMPLE NUMBER I Both latitudes and longitudes to find the course and distance : A ship is in ...
... Enter Table 2 with the difference of latitude and departure , and where they agree , or nearly so , the course and distance will be found . EXAMPLE NUMBER I Both latitudes and longitudes to find the course and distance : A ship is in ...
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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