Practical Hints on the Application of Wire Gauze to Lamps, for Preventing Explosions in Coal Mines ... |
Common terms and phrases
accidents apertures apparatus appearances attached becomes blue flame BRITISH LIBRARY Buddle burning cage candle circumstance cistern coal mines collieries communicates contact containing continue cover damp danger Davy on Wire-gauze degree diminishing their length disengaged double endeavour exists explosive atmosphere explosive mixture extinguished fastened filled fire fitted fixed flammable forms foul found gauze safe-lamp give happen hold importance impossible inch in diameter inch square increase inflammable gas instrument Iron wire joinings lamp larger leave less liable to fire-damp light London long lowering metallic miners mixed mixture of gas number occur offer pass explosion perfect persons place plate practical precaution prevent principle proper proportion quantity raising red hot removal rendered required ring rust safe safety screw second top security severe trial sieves Sir H small sometimes soon sparks square inch supply surrounded thickness tight tube turns viewer volume water wick wire gauze cylinder Wire-gauze Safe-lamps