On the Safety Lamp for Coal Miners: With Some Researches on Flame

acid gas aper apertures appears applied atmo atmospherical air azote bladder burn burnt bustible bustion canals candle carbonic acid carburetted hydrogene charcoal chlorine coal gas coal mines collieries common containing cooling agencies cooling powers cooling surface damp diminished drogene dull red elastic fluids electric spark experiments explosive atmospheres explosive mixture extinguished feeble fire gaseous matter gases gene glass tube heat produced ignited inch in diameter increased inflammable inflammable air iron wire JOHN GEORGE CHILDREN light likewise luminous miners mixture of oxygene mixtures of fire-damp nitrous oxide olefiant gas oxygene and hydrogene particles passed phenomena phosphorus plosion plosive mixture pressure prevent proportion quantity radiating rarefaction rarefied red heat red hot safe safe-lamp Safety Lamp Sir JAMES LOWTHER solid bodies solid matter spirit lamp square inch substances sulphur sulphuretted hydrogene taper temperature tion tissue ture vapour voltaic Whitehaven wick wire gauze lamp wire of platinum