Journal of the New England Water Works Association, Volumen18

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New England Water Works Association., 1904

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Página 357 - 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 276 - 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 273 - ... 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 167 - ... 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 276 - 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 161 - ... 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 162 - 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 273 - ... 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 273 - 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...

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