A Treatise On Navigation And Nautical Astronomy Including the Theory of Compass
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In our eReader you can find the full English version of the book. Read A Treatise On Navigation And Nautical Astronomy Including the Theory of Compass Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Treatise On Navigation And Nautical Astronomy Including the Theory of Compass
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To quickly assess the difficulty of the text, read a short excerpt:
22, a. M.
120 E Oct. 21, 15 18 41 (91) 5 20 21 3 16 24 ( )25 21 Nov. 5, p. M.
135 E Nov. 4, 20 11 24 (03) 7 35 10 10 20 17 + 10 04 Nov. 9, 8 a. M.
30 E Nov. 8, 18 05 31 181. Gain or loss of time with change of position. Cross- ing the 180th meridian. It has been shown that local noon at any meridian is when the sun is on the upper branch of that meridian, that at all places East of that meridian at that in- stant it is past noon, or time is fast of that of the given merid- ian ; at all places W...est of that meridian it is not yet noon, or time is slow of that of the given meridian. Hence it is evident that if a navigator travels East, carrying a watch regulated to the time of the meridian departed from, and if he desires to set the watch to the time of a meridian to the eastward, he must set it ahead at the rate of 1 hour for 15 change of longitude, or 24 hours for every 360 ; in other words, in going east- ward around the world, or through 360 of longitude meas- ured in an easterly direction, he gains a day in his reckoning of time.
What to read after A Treatise On Navigation And Nautical Astronomy Including the Theory of Compass?
You can find similar books in the "Read Also" column, or choose other free books by W C P William Carpenter Pendleton Muir to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
22, a. M.
120 E Oct. 21, 15 18 41 (91) 5 20 21 3 16 24 ( )25 21 Nov. 5, p. M.
135 E Nov. 4, 20 11 24 (03) 7 35 10 10 20 17 + 10 04 Nov. 9, 8 a. M.
30 E Nov. 8, 18 05 31 181. Gain or loss of time with change of position. Cross- ing the 180th meridian. It has been shown that local noon at any meridian is when the sun is on the upper branch of that meridian, that at all places East of that meridian at that in- stant it is past noon, or time is fast of that of the given merid- ian ; at all places W...est of that meridian it is not yet noon, or time is slow of that of the given meridian. Hence it is evident that if a navigator travels East, carrying a watch regulated to the time of the meridian departed from, and if he desires to set the watch to the time of a meridian to the eastward, he must set it ahead at the rate of 1 hour for 15 change of longitude, or 24 hours for every 360 ; in other words, in going east- ward around the world, or through 360 of longitude meas- ured in an easterly direction, he gains a day in his reckoning of time.
What to read after A Treatise On Navigation And Nautical Astronomy Including the Theory of Compass?
You can find similar books in the "Read Also" column, or choose other free books by W C P William Carpenter Pendleton Muir to read onlineMoreLess
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