Pugsley's Tides: Standard Methods of Computing the Times of High Water and Low Water as Required at the U.S. Local Inspectors Examinations; an Examination SpecialtyR.M. Pugsley, 1916 - 128페이지 |
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20개의 결과 중 1 - 5개
6 페이지
... astronomical date and time must be adhered to ; but when the result is found , it must be converted into civil time and so expressed . The hourly difference in the adjacent column may be given a standard value of two minutes which ...
... astronomical date and time must be adhered to ; but when the result is found , it must be converted into civil time and so expressed . The hourly difference in the adjacent column may be given a standard value of two minutes which ...
8 페이지
... astronomical date and time is 5d 06h 41m , the hourly difference is assumed to be 2m , which is sufficiently accu- rate for this calculation and is multiplied by the nearest hour of longitude in time of Baltimore , which gives a ...
... astronomical date and time is 5d 06h 41m , the hourly difference is assumed to be 2m , which is sufficiently accu- rate for this calculation and is multiplied by the nearest hour of longitude in time of Baltimore , which gives a ...
11 페이지
... astronomical date and time of high water , 10d 12h 37m . To this add 1 day and subtract 12 hours to convert the astronomical time into civil time the 11th , Oh 37m A.M. To the moon's upper transit at Philadelphia add the low water ...
... astronomical date and time of high water , 10d 12h 37m . To this add 1 day and subtract 12 hours to convert the astronomical time into civil time the 11th , Oh 37m A.M. To the moon's upper transit at Philadelphia add the low water ...
14 페이지
... astronomical date and time would be 20d 19h 48m . To this add the correction 10m for longitude 5 hours west , which gives the moon's upper transit at the meridian of Boston , to which is added the high water interval , 11h 27m , and the ...
... astronomical date and time would be 20d 19h 48m . To this add the correction 10m for longitude 5 hours west , which gives the moon's upper transit at the meridian of Boston , to which is added the high water interval , 11h 27m , and the ...
17 페이지
... astronomical date . On the 24th the moon's meridian passage is 23h 31m , which shows that the moon passes the meridian of Greenwich on the 25th ( civil time ) at 11h 37m A.M. Then of course the astronomical date and time would be 24d ...
... astronomical date . On the 24th the moon's meridian passage is 23h 31m , which shows that the moon passes the meridian of Greenwich on the 25th ( civil time ) at 11h 37m A.M. Then of course the astronomical date and time would be 24d ...
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1/4 lunar day 10m for longitude 12 hours High A. M. 3 High A. M. 3 Low add 1 day add the high add the low added the correction astronomical date Burntcoat Head chief mate civil time P.M. coastwise steam vessels convert the astronomical correction 10m day and sub day and subtract day Low water deck department gives the astronomical gives the moon's High water ast High water civil High water interval hours High water hours to convert hours west interval High water interval Low water less than 12 Light-house longitude 5 hours Low water ast Low water civil Low water interval lunar day Low mate of ocean Moon's lower transit moon's meridian passage Moon's upper transit N. A. Cor Nautical Almanac ocean or coastwise ocean steam vessels Old Point Comfort pilot Port Darwin sail vessels subtract 12 hours third mate water interval High water interval Low white light wind ΙΟ