House Documents, Otherwise Publ. as Executive Documents: 13th Congress, 2d Session-49th Congress, 1st Session, Volume 4,Parte 1 |
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Página 132
The mean of the regular double tides , about the zero of declination , would
present a first approximate value of the rise ... semi - diurnal tides , and the mean
of double and single tides , at the maximum of declination , would , especially
when ...
The mean of the regular double tides , about the zero of declination , would
present a first approximate value of the rise ... semi - diurnal tides , and the mean
of double and single tides , at the maximum of declination , would , especially
when ...
Página 133
The means present the best criterion , because not displaced in this combination
, as the equation shows . ... or of mean water — and does not take in all the points
of the curve ; and I have , therefore , preferred a different form of discussion . 7 .
The means present the best criterion , because not displaced in this combination
, as the equation shows . ... or of mean water — and does not take in all the points
of the curve ; and I have , therefore , preferred a different form of discussion . 7 .
Página 134
The mean ordinate for the first and second branches of the curve having been
obtained , and the hourly observation which ... The number representing the
mean level is eliminated by the mode of taking the means in each table , and the
...
The mean ordinate for the first and second branches of the curve having been
obtained , and the hourly observation which ... The number representing the
mean level is eliminated by the mode of taking the means in each table , and the
...
Página 135
007 feet in excess , as was the former . For March 12 , corresponding to the
maximum of the diurnal curves , and to neap tides , ( one day after last quarter , )
the ordinates of the hourly diurnal curve from mean to high - water , are 0 . 00 feet
, 0 .
007 feet in excess , as was the former . For March 12 , corresponding to the
maximum of the diurnal curves , and to neap tides , ( one day after last quarter , )
the ordinates of the hourly diurnal curve from mean to high - water , are 0 . 00 feet
, 0 .
Página 136
Each determination gives a corresponding value of the maximum , or of the
ordinate of high water , and in the case of the mean of the curves for January ,
February , and March , these maxima are 0 . 66 feet , 0 . 65 , 0 . 60 , 0 . 60 , 0 . 58 ,
0 .
Each determination gives a corresponding value of the maximum , or of the
ordinate of high water , and in the case of the mean of the curves for January ,
February , and March , these maxima are 0 . 66 feet , 0 . 65 , 0 . 60 , 0 . 60 , 0 . 58 ,
0 .
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APPENDIX appropriation assistant BACHE Back azimuth Base Beach beacon buoys Cape Cedar channel chart Church Coast Survey Coast Survey.—Geographical Positions complete continue coral Creek determined direction Distance East entrance examination extended feet Florida give harbor Head Hill House hundred hydrography important inlet Island keys land Latitude letter Lieutenant Commanding light light-house Long Longitude maps marked mean Metres miles Mount Name of station navigation nearly necessary Neck North observations operations party Pass placed plate Point present progress Prospect Quaker range Recommended reef referred respectfully river Rock sand season Secretary Section sheet shoals shore side Signal Sketch sound South Spire Superintendent tides tion topography Treasury triangulation United States Coast United States navy vessels Washington West western Yards
Passagens conhecidas
Página 442 - ... cannot be acquired by cession, when the interest of the United States demands it, before the appropriation would by law fall into the surplus fund, in any and all such cases the appropriations shall be applicable to the objects for which they are made, at any time within two years after the first meeting of the legislature in any State wherein such land may be situated,, subsequent to the passage of this act, to wit: MAINE.
Página 152 - ... made by worms. But however efficient these boring animals may be in preparing the coral stems for decay, there is yet another agent, perhaps still more destructive. We allude to the minute boring-sponges, which penetrate them in all directions, until they appear at last completely rotten throughout.
Página 513 - He reaffirms his opinion of the pro^ priety of the site, after considering this objection. In recommending lights for the western coast, I have not advised that any of them be revolving lights, except in the case of Point Conception, conceiving that at present, until facilities for repairs of machinery and the number of lights are increased, it is inexpedient and unnecessary to resort to such a distinction. Very respectfully, yours, AD BACHE, Superintendent United States Coast Survey. Hon. THOMAS...
Página 148 - The reefs of Florida, as they have been described in the foregoing sketch of the topography of that state, and, indeed, the separate parts of each of these reefs, in their extensive range from northeast to southwest, present such varieties as will afford, when judiciously combined, a complete history of the whole process of their formation. " Here we have groups of living corals, beginning to expand at considerable depth, and forming isolated, disconnected patches — the first rudiments, as it were,...
Página 101 - Report of the Superintendent of the Coast Survey to the Secretary of the Treasury on Halteras shoals, with a report of Lieutenant Commanding Jenkins, United States navy.
Página 466 - Hole harbor, three thousand five hundred dollars. For a beacon on Fawn bar, near Deer island, Boston harbor, two thousand five hundred dollars. For two iron spindles on the northeast ledge of the Graves, and on Holmes' ledge, Boston harbor, two thousand dollars.
Página 505 - ... source of the most unfeigned regret and mystification. If the British government, however, has the right to exact of its agents an implicit obedience to its mandates, regardless of all considerations but its interests, I must do Captain Prevost the justice of bearing witness to his devoted loyalty. I would respectfully call the attention of the department to the fact that there are still some points which must be embraced in the instructions for Captain Prevost's guidance which are not to be...
Página 144 - Sol•dier key, is so shoal that it will forever remain inaccessible, except to -very small vessels. The keys consist of an extensive range of low islands, rising but a few feet, perhaps from six to" eight or ten, or at the utmost to twelve or thirteen feet, above the level of the sea. They begin to the north of 'Cape Florida, where they converge towards the main land, extending in the...
Página 152 - ... rotten at the heart, but still apparently green and flourishing without, till the first heavy gale of wind snaps the hollow trunk, and betrays its decay. Again, innumerable boring animals establish themselves in the lifeless stem, piercing holes in all directions into its interior, like so many augers, dissolving its solid connexion with the ground, and even penetrating far into the living portion of these compact communities. The number of these boring animals is quite incredible, and they belong...
Página 443 - ... including a bridge from the shore to the light-house, thirteen thousand dollars. OHIO. For a light-house on Rock or Mouse island, Lake Erie, five thousand dollars. For a light-house on Green island, Lake Erie, five thousand dollars. For a beacon-light on Cedar Point, as a range to enter Sandusky bay, five hundred dollars. For buoys at the entrance of Port Clinton, Lake Erie, two hundred and fifty dollars. MICHIGAN. FLORIDA. For buoys at the entrance of Musquito harbor, five hundred dollars. OREGON....
Informação bibliográfica
| Título | House Documents, Otherwise Publ. as Executive Documents: 13th Congress, 2d Session-49th Congress, 1st Session, Volume 4,Parte 1 United States congressional serial set |
| Autor | United States. Congress. House |
| Original de | Universidade de Oxford |
| Digitalizado | 8 Dez 2006 |
| Exportar citação | BiBTeX EndNote RefMan |