Mining: A Journal Devoted to the Interests of Mines and Mining Students, Volume 31895 - Mines and mineral resources |
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Common terms and phrases
accidents air per minute airway anemometer angle atmosphere barometer boring bottom Butterknowle cage carbon carbonic acid caused centre clinometer coal dust coalfield colliery Colliery Managers commenced Competition Questions Correspondence cubic feet cylinder detonator diameter distance district drum engine examination explosive fall Farringdon Street fault feet of air feet per minute fired firedamp First-Class furnace gases girders give given haulage hole inches iron JOHN HEYWOOD length longwall method minerals mines ordinary pass pillars pipe piston pressure protractor pulley pump quantity of air result revolutions per minute road rods roof rope rubbing surface safety lamp seams shot shown side sight sinking sketch specific gravity splits square foot steam steel strata STROWGER survey taken thickness timber tons trepan tube tubs underground upcast shaft valve velocity ventilation vertical water-gauge weight Westphalite Wigan winding yards
Popular passages
Page 133 - The roof and sides of every travelling road and working place shall be made secure, and a person shall not, unless appointed for the purpose of exploring or repairing, travel or work in any such travelling road or working place which is not so made secure.
Page 292 - ... rates and taxes, and tithe commutation rent-charge, if any, and deducting therefrom the probable average annual cost of the repairs, insurance, and other expenses, if any, necessary to maintain them in a state to command such rent...
Page 140 - If, at any time, it is found by the person for the time being in charge of the mine or any part thereof, that by reason of noxious gases prevailing in such mine or such part thereof, or of any...
Page 36 - The owner or agent of every bituminous coal mine, whether shaft, or slope, or drift, shall provide and hereafter maintain for every such mine ample means of ventilation, affording not less than one hundred cubic feet per minute for each and every person employed in said mine, and as much more...
Page 133 - The square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other two sides.
Page 166 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 292 - Where any such mine is occupied under a lease granted wholly or partly on a fine ; and "(2) Where any such mine is occupied and worked by the owner ; and "(3) In the case of any other such mine which is not excepted from the provisions of this Act and to...
Page 292 - ... amount of the dues or dues and rent at which the mine might be reasonably expected to let without fine on a lease of the ordinary duration, according to the usage of the country, if the tenant undertook to pay all tenants...
Page 158 - If the rules are not attended to, the paper mill be cancelled. You may take the Elementary, or the Advanced, or the Honours paper, but you must confine yourself to one of them. Put the number of the question before your answer. You are to confine your answers strictly to the questions proposed.
Page 9 - An adequate amount of ventilation shall be constantly produced in every mine to dilute and render harmless noxious gases to such an extent that the working places of the shafts, levels, stables, and workings of the mine, and the travelling roads to and from those working places shall be in a fit state for working and passing therein.