House Documents, Otherwise Publ. as Executive Documents: 13th Congress, 2d Session-49th Congress, 1st Session, Količina 10 |
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Zadetki 1–5 od 100
Stran 31
... diameter of shoe , seven inches ; cost of mill , $ 4,000 ; crushing capacity per day , eight to ten tons ; size of ... diameter , and driven by spur wheels on each end of the water - wheel shaft . They grind two charges of four cargoes ...
... diameter of shoe , seven inches ; cost of mill , $ 4,000 ; crushing capacity per day , eight to ten tons ; size of ... diameter , and driven by spur wheels on each end of the water - wheel shaft . They grind two charges of four cargoes ...
Stran 35
... diameter of die , eight inches ; diameter of shoe , eight inches ; cost of mill , $ 3,000 ; crushing capacity per day , eight tons ; size of screen , thirty - two by nine inches ; height of screen above die , twelve inches ; amount of ...
... diameter of die , eight inches ; diameter of shoe , eight inches ; cost of mill , $ 3,000 ; crushing capacity per day , eight tons ; size of screen , thirty - two by nine inches ; height of screen above die , twelve inches ; amount of ...
Stran 37
... Diameter of die . 6 Diameter of shoe . No. and kind of pans . Cost of mill . Crushing capacity per day - tons . Size of screen . Height of screen above die - inches . Amount wood consumed ¦ per day - cords . Cost of treatment per ton ...
... Diameter of die . 6 Diameter of shoe . No. and kind of pans . Cost of mill . Crushing capacity per day - tons . Size of screen . Height of screen above die - inches . Amount wood consumed ¦ per day - cords . Cost of treatment per ton ...
Stran 76
... Diameter of die . Diameter of shoe . Number and kind of pans . Remarks . - Seventy - six mill has two 10 - foot arrastras ; stamps for dry crushers . Woodward & Co.'s not at present running . Cost of mill . 822 12 * Water . Water ...
... Diameter of die . Diameter of shoe . Number and kind of pans . Remarks . - Seventy - six mill has two 10 - foot arrastras ; stamps for dry crushers . Woodward & Co.'s not at present running . Cost of mill . 822 12 * Water . Water ...
Stran 78
... Diameter of die . Diameter of shoe . Number and kind of pans . Cost of mill . Crushing capacity per day . Size of screen . Height of screen above die . Amount wood con- sumed per day . Value per ton . $ 10.00 10 00 12.00 Cost of ...
... Diameter of die . Diameter of shoe . Number and kind of pans . Cost of mill . Crushing capacity per day . Size of screen . Height of screen above die . Amount wood con- sumed per day . Value per ton . $ 10.00 10 00 12.00 Cost of ...
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Pogosti izrazi in povedi
Alpine County amalgamation amount arrastras assay average Bannack battery bottom bullion California Cañon Cañon City cents chloride claims coal Comstock lode copper cost country rock County Creek crushing cylinder Deer Lodge deposits depth diameter ditch dollars drift drill east engine explosion extension feet deep feet wide fissure five furnace galena giant powder gold granite Grass Valley gravel Gulch Hill hoisting hole horse-power hundred feet inches iron iron pyrites July labor ledge length lode machine metal metres miles mill miners Mining Company mining district Mountains Nevada opened operations owners patent Pinos Altos piston placer mining pounds pump pyrites quantity quartz quicksilver railroad Reese River reported rich roasting rock running shaft side silver slate smelting stamps steam sulphurets surface Territory tion tons Treasure Hill trepan tunnel Valley vein vertical weight White Pine width yield
Priljubljeni odlomki
Stran 447 - ... file in the local land office a diagram of the same, so extended laterally or otherwise as to conform to the local laws, customs, and rules of miners, and to enter such tract and receive a patent therefor, granting such mine...
Stran 447 - States and those who have declared their intention to become such, under regulations prescribed by law, and according to the local customs or rules of miners in the several mining districts, so far as the same are applicable and not inconsistent with the laws of the United States.
Stran 447 - That whenever any person or association of persons claim a vein or lode of quartz, or other rock in place, bearing gold, silver, cinnabar, or copper...
Stran 448 - That as a further condition of sale, in the absence of necessary legislation by Congress, the local Legislature of any State or Territory may provide rules for working mines involving easements, drainage, and other necessary means to their complete development ; and those conditions shall be fully expressed in the patent.
Stran 620 - ... consequence of the apparatus being brought into play by a plunge during the rapid descent of the cage, and that hence several of these inventions, after being fairly tried for one, two, or three years, have been ultimately removed. Nor is it too much to say, although an insufficient argument if taken alone, that the employment of this apparatus has a tendency to make people careless about the examination and renewal of ropes...
Stran 670 - The same and a greater amount of work was better performed by the machine in a few hours, and effected a saving of seventy-five dollars a day, when sufficient rock was furnished to keep the machine running. From that time it has been extensively used, and is recognized as an indispensable adjunct to every well-appointed stamp mill. The general construction of this machine has been rendered familiar by numerous figures and publications in the United States and in Europe. It consists, essentially,...
Stran 572 - holes," or "kirves," with a man and boy as attendants, and completes the work with once going over, at the rate of fifteen yards per hour, and at any angle and height from floor rails, being suitable for either "dip" or "rise" workings, and is capable of cutting the thinnest seams. The pressure of water which actuates this apparatus can be obtained either from the stand pipes in the pit*, or from pumps attached to any existing engine, or from an engine and pumps specially made for the purpose. The...
Stran 350 - When winter approached they abandoned their enterprise to winter at Fort Laramie, where they intended to provision themselves for a year and get a supply of necessary tools in the spring. This done they started, but when on their way two days they were overtaken by United States dragoons and brought back to the fort. The leader was sent to prison for some imaginary offense and the property of the entire company confiscated.
Stran 770 - Gerstenhoefer discovered that sulphurets are completely roasted or oxidized if they fall against a current of hot air rising in a shaft, which is filled with shelves, so as to check and retard the fall of the ore particles at certain intervals. Stetefeldt discovered that silver ores, no matter in what combination the silver occurs, mixed with salt, are completely chloridized if they fall against a current of hot air rising in a shaft with no obstructions whatever to check or retard the fall of the...
Stran 447 - That no location hereafter made shall exceed two hundred feet in length along the vein for each locator, with an additional claim for discovery to the discoverer of the lode, with the right to follow such vein to any depth, with all its dips, variations, and angles, together with a reasonable quantity of surface for the convenient working of the same, as fixed by local rules...