A Treatise on Practical and Theoretical Mine VentilationJ. Wiley & Sons, 1884 - 141 sivua |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 73
Sivu 3
... as much . Faraday also estimates that one thou- sand millions of pounds are sufficient to sustain all the artificial fires lighted by man , from the camp - fire of the savage to the roaring blaze of the blast - §3 . 7 MINE VENTILATION .
... as much . Faraday also estimates that one thou- sand millions of pounds are sufficient to sustain all the artificial fires lighted by man , from the camp - fire of the savage to the roaring blaze of the blast - §3 . 7 MINE VENTILATION .
Sivu 18
... sufficient ventilation . Gradually stop the ventilating current , so that the air scarcely travels , and then apply the lamp , and the fire - damp issuing from the cracks may be detected . Active ventilation sweeps away all the gas ...
... sufficient ventilation . Gradually stop the ventilating current , so that the air scarcely travels , and then apply the lamp , and the fire - damp issuing from the cracks may be detected . Active ventilation sweeps away all the gas ...
Sivu 31
... sufficient cur- rent of air could be brought to bear upon the gas to dilute it sufficiently to allow of candles being used . In 1814 Dr. Clanny produced a lamp by which a light could be used in an inflammable mixture of gas with ...
... sufficient cur- rent of air could be brought to bear upon the gas to dilute it sufficiently to allow of candles being used . In 1814 Dr. Clanny produced a lamp by which a light could be used in an inflammable mixture of gas with ...
Sivu 33
... sufficient for its continuous inflamma- tion . " Mr. Stephenson's lamp has been much improved . It consists of a glass cylinder above the lamp , covered by a cylinder of wire gauze ; and , instead of air passing through the perforated ...
... sufficient for its continuous inflamma- tion . " Mr. Stephenson's lamp has been much improved . It consists of a glass cylinder above the lamp , covered by a cylinder of wire gauze ; and , instead of air passing through the perforated ...
Sivu 50
... . formulas are so connected with each other , that , when The symbols in these a sufficient number of them are known , those unknown may be found . To show the application of these for- mulas , suppose we have an airway 8 ' X.
... . formulas are so connected with each other , that , when The symbols in these a sufficient number of them are known , those unknown may be found . To show the application of these for- mulas , suppose we have an airway 8 ' X.
Sisältö
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
29 | |
31 | |
35 | |
37 | |
38 | |
39 | |
40 | |
46 | |
53 | |
59 | |
67 | |
73 | |
85 | |
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 | |
124 | |
126 | |
127 | |
128 | |
129 | |
130 | |
131 | |
132 | |
133 | |
134 | |
135 | |
136 | |
137 | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
xxxi | |
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 | |
298 | |
299 | |
303 | |
304 | |
305 | |
306 | |
309 | |
312 | |
313 | |
314 | |
315 | |
317 | |
318 | |
319 | |
320 | |
321 | |
323 | |
329 | |
278 | |
279 | |
299 | |
314 | |
316 | |
333 | |
360 | |
361 | |
392 | |
393 | |
394 | |
395 | |
398 | |
399 | |
413 | |
414 | |
Muita painoksia - Näytä kaikki
Yleiset termit ja lausekkeet
acres Act of Congress action adverse claim affidavit air passing air-column airway amicus curiæ amount anemometer application asphyxia barometer brattice circulation co-efficient Copp's Copp's Min court cubic feet cubic foot district ditch easements entry feet of air feet per minute filed fire-damp friction furnace held horse-power hundred inches issue ksv2 labor lamp land office Landowner Law Rep length lien lode claims marsh-gas ment mineral lands mining claims motive-column Mueseler lamp necessary notice owners party patent perimeter person placer claim plat possession posting pounds per square pressure per square prior public lands purchase purposes quantity of air quartz record regulations repealed resistance revolutions per minute rubbing-surface rules safety-lamp Section Sickels square feet square foot Stat statute surface survey temperature thereof tion tunnel United upcast vein or lode velocity VENTILATION volume of air water-gauge weight
Suositut otteet
Sivu xxxi - 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 xxxi - 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 xxxi - ... 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 xxxi - 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 xxxi - Every person above the age of twenty-one years, who is a citizen of the United States...
Sivu 153 - 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 xxxi - ... 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 xxxi - ... 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 xxxi - 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...