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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32개의 결과 중 1 - 5개
8 페이지
... column and the fourth figure at either the top or bottom and the proper logarithm will be found at the inter- section . When using this table , bear in mind that the num- bers 1 , 2 , 3 , 4 , 5 , etc. , at the top and bottom of the ...
... column and the fourth figure at either the top or bottom and the proper logarithm will be found at the inter- section . When using this table , bear in mind that the num- bers 1 , 2 , 3 , 4 , 5 , etc. , at the top and bottom of the ...
10 페이지
... column on the same side . If the degrees are found at the top , the various names must also be read from there and when the degrees are at the bottom of the page the names over the columns must be read from the bottom . • If the ...
... column on the same side . If the degrees are found at the top , the various names must also be read from there and when the degrees are at the bottom of the page the names over the columns must be read from the bottom . • If the ...
11 페이지
... 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 more or less . Up to and including 4 ° and ...
... 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 more or less . Up to and including 4 ° and ...
13 페이지
... 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.
... 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
... column for north courses and in the south column for south courses . It is also the north or south distance between any two points on the earth's surface . Departure is the quantity taken for each corrected course and distance from ...
... column for north courses and in the south column for south courses . It is also the north or south distance between any two points on the earth's surface . Departure is the quantity taken for each corrected course and distance from ...
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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