North of England Institute of Mining Engineers. Transactions, Volume 10

Actual Velocity adopted anemometer beds boiler bottom calculated by Formula Cinderhill coal measures coal mines Colliery considerable conveyance cost current of air Derbyshire Diagram distance district Docks dyke experiments extent feet per minute Fence Houses Ferry Hill fire furnace gaitroad Gateshead gentlemen geological goaf guide-rods gunpowder Hartlepool Hetton hole horses inches index of Anemometer indicated by index Institute instrument iron ironstone Lancashire long wall long wall system magnesian limestone millstone grit mode Moira Newcastle Newcastle-on-Tyne Northern Coal-field Northumberland Number indicated paper pillars portion ports present produce pyrites quantity Railway red sandstone reference river roads roof rope safety-lamps sandstone Seaham seams of coal Seaton Sluice shaft side sinking smoke South Staffordshire spontaneous combustion square miles steam strata Sunderland thick coal tons Total tubing Tyne underground Velocity calculated ventilation Whirling Machine Woodhouse X.-BIRMINGHAM MEETING yards Yorkshire