... todetermineverycarefullytherate a t which the air of an ordinary bedroom was changed. I t would be seen. a t once that in the case of an accidental gas escape, especially wherethe gas washighly poisonous, as wasthe case with water-gas, the danger to the person occupying the bedroom was verygreat. He took the case of a bedroom...

... sense Dr. Tidy at one withtheAuthor of thePaper.Thematterwasvery interesting from a toxicological point of view. The poisonous gas of coal-gas was carbonic oxide. He supposed hehad seen as many cases of poisoning by coal-gas as any person present, ancl nothing was nlore certain that whena person died...

... overlooked. The absolute necessity for a plentiful supply of air, in all mines, will be readily conceded,when these circumstances and the poisonous nature of the gas, are duly considered; and it may be taken as established, that the health and safety of the miners, can only be secured, by diluting the fire...