Journal of the New England Water Works Association, Volumen18New England Water Works Association., 1904 |
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Página 12
... record 1883 176.6755 118 000 1.4973 35.12 52.38 1884 183.8386 ÷ 120 900 = 1.5206 33.77 53.70 1885 189.3045123 800 = 1.5291 38.21 55.45 1886 194.2298126 700 = 1.5330 38.06 56.84 1887 203.3894 ÷ 129 700 1.5681 38.08 58.06 1888 210.3669 ...
... record 1883 176.6755 118 000 1.4973 35.12 52.38 1884 183.8386 ÷ 120 900 = 1.5206 33.77 53.70 1885 189.3045123 800 = 1.5291 38.21 55.45 1886 194.2298126 700 = 1.5330 38.06 56.84 1887 203.3894 ÷ 129 700 1.5681 38.08 58.06 1888 210.3669 ...
Página 16
... records . MR . GEORGE F. CHACE . Mr. President : I should like to ask Mr. Shedd if he does not find it difficult with the shallow bells to get around curves . MR . SHEDD . No. The possible turn of the pipe is greater , without making a ...
... records . MR . GEORGE F. CHACE . Mr. President : I should like to ask Mr. Shedd if he does not find it difficult with the shallow bells to get around curves . MR . SHEDD . No. The possible turn of the pipe is greater , without making a ...
Página 28
... records of the test of the Louisville pumping engine , for example , we shall see that while the engine as a whole used 12.16 pounds of dry steam per indicated horse - power per hour , the cylinders themselves used only 10.12 pounds ...
... records of the test of the Louisville pumping engine , for example , we shall see that while the engine as a whole used 12.16 pounds of dry steam per indicated horse - power per hour , the cylinders themselves used only 10.12 pounds ...
Página 33
... records carried over longer periods , there can be no doubt that in the future they will prove invaluable . In New England and the eastern states many private observers have records of rainfall extending back to the early part of the ...
... records carried over longer periods , there can be no doubt that in the future they will prove invaluable . In New England and the eastern states many private observers have records of rainfall extending back to the early part of the ...
Página 34
... records kept by the Pro- prietors of Locks and Canals at Lowell . The Waltham diagram is from records kept by the Boston Manufacturing Company . Providence and New Bedford rainfall are taken from a report by Mr. A. T. Safford to the ...
... records kept by the Pro- prietors of Locks and Canals at Lowell . The Waltham diagram is from records kept by the Boston Manufacturing Company . Providence and New Bedford rainfall are taken from a report by Mr. A. T. Safford to the ...
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Términos y frases comunes
000 gallons amount of water Anopheles average Bedford board of health boiler Boston Brooks cent charge Charles Charles W Chelsea cities and towns CITY OR TOWN committee construction convention cost Creek Croton Desmond FitzGerald District England Water epidemic estimated expense Fall River faucet feet fire fixtures flow Frank E furnished gallons per capita gallons per day George George Bowers George F Holyoke hydrants Ithaca June larvæ leaks Malden manufacturing Mass measured meter rates mosquitoes municipal paper ponds pounds present President pressure pumping station purposes quantity of water R. J. Thomas rainfall reservoir revenue run-off service pipes Shedd Somerville special castings square miles steam Sudbury River Superintendent surface tion typhoid fever valve Venturi meters WASTE OF WATER Water Board water company Water Department water meters water supply water takers Water Works Association Watertown Willard Kent
Pasajes populares
Página 351 - The subjects of every state ought to contribute towards the support of the government, as nearly as possible, in proportion to their respective abilities ; that is, in proportion to the revenue which they respectively enjoy under the protection of the state.
Página 162 - It is a very fine, light powder; and an ounce of it will go a long way, making a large volume of smoke. A pyrethrum .smudge or smoke may be started by covering a live coal, taken from the kitchen stove, with the powder, first placing the coal upon a small shovel, so that it may be moved about conveniently without danger of setting anything on fire. The pyrethrum will quickly begin to smoulder and give off a dense smoke. All that is now necessary is to add from time to time a pinch of the powder as...
Página 270 - Obligation is such that, if the said principal shall in all things stand to and abide by and well and truly keep and perform all the agreements, terms and conditions of said contract on his part to be kept and performed, and shall also pay for all labor performed or furnished, and for all materials used in the carrying out of said contract, then this obligation shall be void ; otherwise it shall remain in full force and virtue.
Página 267 - ... any improper materials used in its construction, or by or on account of any act or omission of the said Contractor, or his agents...
Página 162 - ... 42° F. At first sight this larva would be taken for an Anopheles of extraordinary size, as it is of the same general shape, and when the water •was cleared of ice, it lay just beneath and parallel to the surface, breathing through a short respiratory siphon, as is characteristic of the larvœ of Anopheles. In this spring a barrel had been sunk and in the fifty gallons, or thereabouts, of water which it contained there were twenty-five larva?.
Página 270 - Attorney, its successors and assigns, for which payment, well and truly to be made, we bind ourselves, our heirs, executors, and administrators, jointly and severally, firmly by these presents. Sealed with our seals...
Página 157 - ... become familiar with all that pertains to their life history so that the war against them may be successfully and intelligently carried on. Notwithstanding all that has been written on the subject of mosquitoes, during the last year or two, the majority of people still know but little about them. It is the purpose of this article to state, in as simple a manner as possible, the facts that are now known regarding mosquitoes and how to deal with these pests, and it is hoped that this information...
Página 160 - This is the critical period of a mosquito's life; for, should the surface of the water be disturbed at this time, the insect would be upset and drowned. It takes about seven minutes from the time when the skin along the back of the pupa begins to split until the full-grown mosquito comes forth and in a few minutes is ready to fly away. A mosquito never grows any larger after this change. The length of time required to pass from the egg to the adult insect varies from ten days to three weeks, according...
Página 267 - ... until all such suits or claims for damages as aforesaid shall have been settled, and evidence to that effect furnished to the satisfaction of the said engineer.
Página 267 - City, for, or on account of, any injuries or damages received or sustained by any party or parties by or from the said _or his servants or agents, in the construction of said work...