onous gas in the Grotto del Cane, in carbonic acid gas has developed a new industry, that of the minutes to aid the absorption of gas by the water. It is Pyrmont, and that obtained from limestone by the action of fire extinguishers, of which the Babcock is the most com- then ready to be placed in… … to red, and the turbidity arising from the pre the liquid carbonic acid, which formed a depo- cipitation of carbonate of lime was apparent on sit resembling snow ; in fact, the lecturer made Fig. l.-CAEBONIC ACID GAS GENEEATOR. a little snowball of some of it, and threw it the screen. The first…
