The Nautical Magazine: A Journal of Papers on Subjects Connected with Maritime Affairs, 45권Brown, Son and Ferguson, 1876 |
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86 페이지
... angle of 45 ° . The base consists of a disc of cast iron , added for the pur ... hour , on an axis parallel to that of the earth , and also become gradually ... hour . It may be concluded , from the trial that , in our latitudes , the ...
... angle of 45 ° . The base consists of a disc of cast iron , added for the pur ... hour , on an axis parallel to that of the earth , and also become gradually ... hour . It may be concluded , from the trial that , in our latitudes , the ...
370 페이지
... hour angle ) , on account of the error in the polar distance , as assumed by Ivory , viz . , that at the middle time ; e , is put for the error of h , corresponding to the error of the approximate latitude as found by Ivory ; + e , and ...
... hour angle ) , on account of the error in the polar distance , as assumed by Ivory , viz . , that at the middle time ; e , is put for the error of h , corresponding to the error of the approximate latitude as found by Ivory ; + e , and ...
371 페이지
... angle , and c the base ; then , if b and c be constant , but C and a variable , it is easily proved that d C = -db ( Cot a . Cosec C - Cot C. cot b ) . = - - Hence , taking the ... hour angle from that altitude which is CORRESPONDENCE . 871.
... angle , and c the base ; then , if b and c be constant , but C and a variable , it is easily proved that d C = -db ( Cot a . Cosec C - Cot C. cot b ) . = - - Hence , taking the ... hour angle from that altitude which is CORRESPONDENCE . 871.
372 페이지
A Journal of Papers on Subjects Connected with Maritime Affairs. late the correct hour angle from that altitude which is nearest to the prime vertical , as he has the correct latitude after finding c . Morden College , Blackheath , S.E. ...
A Journal of Papers on Subjects Connected with Maritime Affairs. late the correct hour angle from that altitude which is nearest to the prime vertical , as he has the correct latitude after finding c . Morden College , Blackheath , S.E. ...
455 페이지
... angle psm . To do which have formula Log cos psm = Log cosec ps + log cosec ms + log sin s + log sin ( s * pm ) 2 ... hour angle , and thence longitude , Jog sec lat + log sin psz + log sin m s = log sin z ps = the hour angle . ( 6 ) For ...
... angle psm . To do which have formula Log cos psm = Log cosec ps + log cosec ms + log sin s + log sin ( s * pm ) 2 ... hour angle , and thence longitude , Jog sec lat + log sin psz + log sin m s = log sin z ps = the hour angle . ( 6 ) For ...
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412 페이지 - ... exhibited on their respective sides in sufficient time to prevent collision, in such manner as to make them most visible, and so that the green light shall not be seen on the port side, nor the red light on the starboard side.
414 페이지 - This Article only applies to cases where vessels are meeting end on, or nearly end on, in such a manner as to involve risk of collision, and does not apply to two vessels which must, if both keep on their respective courses, pass clear of each other.
213 페이지 - Kingdom shall be paid into the receipt of Her Majesty's exchequer in such manner as the treasury may direct, and shall be carried to and form part of the consolidated fund of the United Kingdom...
411 페이지 - ... points abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least two miles.
414 페이지 - When both are running free, with the wind on different sides, the vessel which has the wind on the port side shall keep out of the way of the other.
414 페이지 - ... other; in other words, to cases in which by day each vessel sees the masts of the other in a line or nearly in a line with her own, and by night to cases in which each vessel is in such a position as to see both the side lights of the other.
414 페이지 - When two steam vessels are meeting end on, or nearly end on, so as to involve risk of collision, each shall alter her course to starboard so that each may pass on the port side of the other.
415 페이지 - Nothing in these rules shall exonerate any ship, or the owner, or master, or crew thereof, from the consequences of any neglect to carry lights or signals, or of any neglect to keep a proper look.out, or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case.
200 페이지 - ... insure her being sent to sea in a seaworthy state, or that her going to sea in such unseaworthy state was, under the circumstances, reasonable and justifiable, and for the purpose of giving such proof lie may give evidence in the same manner as any other witness.
410 페이지 - ... (c.) On the port side, a red light, so constructed as to show an uniform and unbroken light over an arc of the horizon of 10 points of the compass; so fixed as to throw the light from right ahead to 2 points abaft the beam...