North of England Institute of Mining Engineers. Transactions, Volume 12Reid, 1863 |
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air column ATKINSON beam boiler bottom British Association carbonic oxide carboniferous coal field coal measures Coal Trade coke column of air Committee Coxgreen current of air Daglish Darlington density depth Devonian district downcast shaft dyke eddy Elsecar extending fathoms feeders Fence Houses Ferry Hill fire Five-quarter seam furnace G. B. FORSTER Gateshead goaf heat high level drift Hutton seam inches Institute of Mining intake air iron kirving limestone locomotive lower machine Main coal seam meeting Messrs millstone grit Mining Engineers mode Newcastle Newcastle-upon-Tyne NICHOLAS WOOD North of England Northumberland oven paper point H portion present PRESIDENT pressure per unit produced quantity of air Railway resistance return air return air-way return current rise safety-lamp seam of coal South Wingate staple steam T. Y. HALL temperature tension tons Transactions tubbing Tyne unit of surface upcast shaft Wallsend Whin Sill Wood yards