Congressional Serial SetU.S. Government Printing Office, 1853 |
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Արդյունքներ 95–ի 1-ից 5-ը:
Էջ iii
... observations and light - house examinations , p . 24 . Section III . Astronomical and magnetic observations , pp . 25 , 26. Triangulation , p . 27. Topography , p . 27. Hydrography , p . 29. Tidal observations and light - house ...
... observations and light - house examinations , p . 24 . Section III . Astronomical and magnetic observations , pp . 25 , 26. Triangulation , p . 27. Topography , p . 27. Hydrography , p . 29. Tidal observations and light - house ...
Էջ iv
... observations MISCELLANEOUS MATTERS . - 111-122 No. 23. Letter from Secretary of Treasury to Superintendent in relation to detail of brevet second lieutenants of army for Coast Survey 122 , 123 No. 24 . Extracts from report of General ...
... observations MISCELLANEOUS MATTERS . - 111-122 No. 23. Letter from Secretary of Treasury to Superintendent in relation to detail of brevet second lieutenants of army for Coast Survey 122 , 123 No. 24 . Extracts from report of General ...
Էջ 4
... observations made in the progress of the survey has been recommended by the highest scientific authority of the country , and in successive reports I have called attention to it as a desirable thing . It will secure the observations ...
... observations made in the progress of the survey has been recommended by the highest scientific authority of the country , and in successive reports I have called attention to it as a desirable thing . It will secure the observations ...
Էջ 5
... observations , intending that this should be done annually or biennially , as might be found most expedient , bringing out by degrees , at the same time , the , observations of former years . The office work of the survey has , by great ...
... observations , intending that this should be done annually or biennially , as might be found most expedient , bringing out by degrees , at the same time , the , observations of former years . The office work of the survey has , by great ...
Էջ 8
... observations of the passages between Martha's Vineyard sound and Buzzard's bay were completed , and tides and currents observed at stations in the Vineyard and Nantucket sounds . In part of these observations self - registering tide ...
... observations of the passages between Martha's Vineyard sound and Buzzard's bay were completed , and tides and currents observed at stations in the Vineyard and Nantucket sounds . In part of these observations self - registering tide ...
Այլ խմբագրություններ - View all
Congressional Serial Set, Թողարկում 4049 United States. Congress. Senate. Committee on Foreign Relations Ամբողջությամբ դիտվող - 1901 |
Common terms and phrases
A. D. BACHE anchorage angles Appendix Appomattox river astronomical azimuth beacon buoy Cape Fear Cedar Keys Chandeleur channel Charleston chart Chesapeake bay Columbia river Comg commenced completed computations connexion continue copies Currituck sound difference of longitude diurnal curve Edisto engraving entrance examination executed F. H. Gerdes feet Florida harbor Hatteras hydrographic party hydrography inlet island James Alden Joseph's Joseph's bay Key West latitude Lieutenant light light-boat light-house Light-house Board Maine maximum ordinate Mississippi Mobile bay Monterey moon's declination navigation November Passed midshipman Pocomoke sound Point primary triangulation reef report of Lieut residuals respectfully San Diego Santa Barbara Savannah river schooner season secondary triangulation Section semi-diurnal curve sheets shore shore-line Sketch F square miles stations steamer Sub-Assistant Superintendent U. S. Coast theodolite tidal observations tide topography Treasury triangulation U. S. Coast Survey U. S. Navy vessels vicinity western coast westward Woodhull
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Էջ 34 - JN Maffitt, US Navy, assistant in the Coast Survey, in command of the schooner Gallatin, has executed the soundings of the bar of the Cape Fear River, commencing at the most southern point of Cape Fear, extending at a distance of from two and a half to three and a half miles from shore to the northward and westward, including the main bar, middle ground, and western bar, the river up to New Inlet, that bar, and the Sheep's Head ledge.
Էջ 118 - Fuca ; but with the long interval between the Oregon district and the entrance of the Gulf of California we are very superficially acquainted, and but little is known of the interior of that extensive Gulf. In the present state of those countries it does not appear necessary to push our survey into their inner waters ; but there can be no doubt that the coasts of Mexico, Guatemala, and New...
Էջ 102 - ... decomposing the curves of rise and fall into a diurnal and semidiurnal curve, which were nearly curves of sines; the diurnal curve having its maximum approximately nine hours in advance of the first maximum of the semidiurnal curve, and the interference of these two waves producing the tidal wave as observed. The comparison of the curves deduced from the observations for three months, and the computed curves of sines, was shown to be satisfactory. This comparison, made as before by averages of...
Էջ 119 - An act making appropriations for light-houses, light-boats, buoys, &c., and providing for the erection and establishment of the same, and for other purposes.
Էջ 105 - ... action. The results promising success, the coefficients were deduced by the method of least squares for the first, and then for the second six months, and finally for the whole year. These laborious computations were made with much skill by Mr. WW GORDON, of the Coast Survey. The result for the second six months, in reference to the First six months.
Էջ 106 - Classifying the corrections according to the moon's age, though they are irregular, it is apparent that there were entangled in the values of the former computed maximum ordinates, heights which belonged to the semidiurnal curve. The table of corrections for the two periods of six months, and for the year, is given below. TABLE NO. X. Showing the difference of maximum ordinates of diurnal curves, as computed by the last method of groups, and by that first applied. A consideration of the general formula...
Էջ 102 - ... months, and the computed curves of sines, was shown to be satisfactory. This comparison, made as before by averages of periods of a week combined into one general mean, has now been extended to the whole year, as shown in the subjoined table. By increasing the maximum ordinate of the diurnal curve 0,02 of a foot, which will make the rise and fall agree more nearly with the average deduced from observation, we obtain, as shown in No. 2, a resulting curve not differing in any ordinate more than...
Էջ 105 - The second term, introducing the parallax of the moon, would be in which m is a constant coefficient, P is the mean parallax, and P' the parallax at the time under consideration. In the application of this formula to the observations, the maximum ordinates, found as before stated, were tabulated ; and first the coefficients were deduced from the cases corresponding to the maximum of the sine of twice the moon's declination and to the minimum of the sun's, and vice versa, neglecting the small variations...
Էջ 109 - Showing results of comparison of dates of occurrence of the greatest and leaat maximum orclinnte of the diurnal curve, and the greatest and least value of term containing the moon's declination. The times of occurrence of the maximum of the diurnal curve are, as I have already stated, connected by the hypothesis with those of the semidiurnal curve. The times deducible from the observations were so irregular, that I supposed it impracticable to do more than this. Notwithstanding all these irregularities,...
Էջ 73 - ... it ten miles. There is much good land, and some fine farms on both these rivers. In 1853, thirty-seven vessels, of the burden of 4,323 tons, arrived at this port. The Harbor of Cocagne, by the coast, is nine miles south of Buctouche. This is also a bar harbor ; in ordinary tides , there is nine feet on the bar at low water, and fourteen feet at high water ; at spring tides there are two feet more. Within, there is a large sheet of water, well sheltered. The tide flows seven miles up the Cocagne...