A Treatise on Practical and Theoretical Mine VentilationJ. Wiley & Sons, 1884 - 141 sivua |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 16
Sivu 9
... circulation through the body . Should we rebreathe it into our lungs , the blood will leave the lungs , not bearing invigorating oxygen , but refuse matter to obstruct the whole system . Without oxygen the muscles become inactive , the ...
... circulation through the body . Should we rebreathe it into our lungs , the blood will leave the lungs , not bearing invigorating oxygen , but refuse matter to obstruct the whole system . Without oxygen the muscles become inactive , the ...
Sivu 25
... circulation . Pounds . 900 cubic feet at 42 ° = 69.030 900 cubic feet at 72 ° = 65.124 Difference in weight 3.906 This pressure in the open air would produce a velocity of wind between twenty - five and thirty miles per hour . 11. The ...
... circulation . Pounds . 900 cubic feet at 42 ° = 69.030 900 cubic feet at 72 ° = 65.124 Difference in weight 3.906 This pressure in the open air would produce a velocity of wind between twenty - five and thirty miles per hour . 11. The ...
Sivu 51
... circulation . Taking the air at 62 ° F. , one cubic foot , with the barometer at 30 inches , would weigh 0.0763 of a pound . If we now multiply this motive - column by the weight of a cubic foot of the air it is composed of , and divide ...
... circulation . Taking the air at 62 ° F. , one cubic foot , with the barometer at 30 inches , would weigh 0.0763 of a pound . If we now multiply this motive - column by the weight of a cubic foot of the air it is composed of , and divide ...
Sivu 53
... circulation of air through mines or confined passages , such as gangways , etc. , have been ascertained principally by such eminent men as Magnus , Regnault , Gay - Lussac , Daubisson , Peclet , and others , and are as follows : - 1 ...
... circulation of air through mines or confined passages , such as gangways , etc. , have been ascertained principally by such eminent men as Magnus , Regnault , Gay - Lussac , Daubisson , Peclet , and others , and are as follows : - 1 ...
Sivu 67
... circulation of 120,000 cubic feet per minute : what quantity will a pressure equivalent to 32 HP give ? From § 23 , 6 , we have ¥ 40 : 32 :: 120000 : 111398 cu.ft. per minute . Ans . Proof . ( 111398 ) : ( 120000 ) :: 32:40 . Ans . ( i ) ...
... circulation of 120,000 cubic feet per minute : what quantity will a pressure equivalent to 32 HP give ? From § 23 , 6 , we have ¥ 40 : 32 :: 120000 : 111398 cu.ft. per minute . Ans . Proof . ( 111398 ) : ( 120000 ) :: 32:40 . Ans . ( i ) ...
Sisältö
| 1 | |
| 9 | |
| 15 | |
| 14 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | |
| 31 | |
| 32 | |
| 37 | |
| 53 | |
| 64 | |
| 65 | |
| 66 | |
| 67 | |
| 68 | |
| 69 | |
| 70 | |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 | |
| 98 | |
| 99 | |
| 100 | |
| 101 | |
| 102 | |
| 103 | |
| 104 | |
| 105 | |
| 106 | |
| 107 | |
| 108 | |
| 109 | |
| 110 | |
| 111 | |
| 112 | |
| 113 | |
| 114 | |
| 115 | |
| 116 | |
| 117 | |
| 118 | |
| 119 | |
| 120 | |
| 121 | |
| 122 | |
| 126 | |
| 127 | |
| 128 | |
| 129 | |
| 33 | |
| 47 | |
| 61 | |
| 62 | |
| 63 | |
| 65 | |
| 67 | |
| 70 | |
| 73 | |
| 85 | |
| 107 | |
| 122 | |
| 131 | |
| 133 | |
| 148 | |
| 191 | |
| 213 | |
| 214 | |
| 215 | |
| 228 | |
| 230 | |
| 241 | |
| 242 | |
| 243 | |
| 248 | |
| 249 | |
| 254 | |
| 255 | |
| 261 | |
| 264 | |
| 266 | |
| 269 | |
| 270 | |
| 272 | |
| 274 | |
| 276 | |
| 277 | |
| 278 | |
| 279 | |
| 283 | |
| 284 | |
| 285 | |
| 286 | |
| 287 | |
| 288 | |
| 303 | |
| 304 | |
| 305 | |
| 306 | |
| 309 | |
| 312 | |
| 313 | |
| 314 | |
| 315 | |
| 317 | |
| 318 | |
| 323 | |
| 329 | |
| 333 | |
| 333 | |
| 333 | |
| 333 | |
| 333 | |
| 333 | |
| 333 | |
| 333 | |
| 360 | |
| 361 | |
| 395 | |
| 399 | |
| 413 | |
| 414 | |
Muita painoksia - Näytä kaikki
Yleiset termit ja lausekkeet
100 cubic feet acres Act of Congress adverse claim adverse claimant affidavit airway amicus curiæ amount anemometer application asphyxia barometer brattice carbonic acid certificate circulation co-efficient coal Copp's Copp's Min court cubic feet cubic foot Davy lamp district downcast entry feet of air feet per minute filed fire-damp friction furnace held horse-power inches ksv2 labor lamp land office Landowner Law Rep length lien lode claims marsh-gas ment mineral mineral lands mining claims Mont motive-column Mueseler lamp notice owners party patent perimeter persons placer claim plat possession possessory right pounds per square prior purchase quantity of air record regulations repeal resistance revolutions per minute rubbing-surface rules and customs safety-lamp Sawyer Section Sickels square feet square foot Stat surface survey temperature thereof tion tunnel United upcast vein or lode velocity VENTILATION volume of air water-gauge weight
Suositut otteet
Sivu 11 - States governing their possessory title, shall have the exclusive right of possession and enjoyment of all the surface included within the lines of their locations, and of all veins, lodes, and ledges throughout their entire depth, the top or apex of which lies inside of such surface lines extended downward vertically, although such veins, lodes, or ledges may so far depart from a perpendicular in their course downward as to extend outside the vertical side lines of such surface locations.
Sivu 12 - On each claim located after the tenth day of May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than one hundred dollars' worth of labor shall be performed or improvements made during each year.
Sivu 12 - ... upon a failure to comply with these conditions, the claim or mine upon which such failure occurred shall be open to relocation in the same manner as if no location of the same had ever been made, provided that the original locators, their heirs, assigns, or legal representatives, have not resumed work upon the claim after failure and before such location.
Sivu 15 - It shall be the duty of the adverse claimant, within thirty days after filing his claim, to commence proceedings in a court of competent jurisdiction, to determine the question of the right of possession, and prosecute the same with reasonable diligence to final judgment; and a failure so to do shall be a waiver of his adverse claim.
Sivu 20 - Every person above the age of twenty-one years, who is a citizen of the United States...
Sivu 151 - Mining claims upon veins or lodes of quartz or other rock in place bearing gold, silver, cinnabar, lead, tin, copper, or other valuable deposits...
Sivu xxx - ... 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.
Sivu 14 - ... and he shall also post such notice in his office for the same period. The claimant at the time of filing this application, or at any time thereafter, within the sixty days of publication, shall file with the register a certificate of the United States surveyor general that five hundred dollars...
Sivu 19 - ... survey and sale, there have been homesteads made by citizens of the United States, or persons who have declared their intention to become citizens, which homesteads have been made, improved, and used for agricultural...
Sivu 19 - Whenever, by priority of possession, rights to the use of water for mining, agricultural, manufacturing or other purposes, have vested and accrued, and the same are recognized and acknowledged by the local customs, laws and the decisions of courts, the possessors and owners of such vested rights shall be maintained and protected in the same...