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TRANSACTIONS OF THE 



Matthews'' New Soda Water Apparatus, for Manufacturing Soda, 

 John Matthews, No. 437 and 439 First Avenue, New York. 



This apparatus is both economical and simple and is used for manufacturing soda 

 water, or aerating other liquids with carbonic acid. 



In the construction of this apparatus especial care has been taken to iu.sure the 

 purest water, the greatest convenience and sufficient strength and capacity, for the 

 use of the most economical materials. It is warranted by the manufacturer to 

 sustain a pressure of 500 lbs to the square inch. It occupies a space of five by 

 two feet. 



Charge the fountain a, with ten gallons of pure cold water, then screw the brass 

 cock in tightly. 



Pour into the gas washer d, three p'.nls of water at 4, and screw the brass plug 

 in tightly. . 



Into the generator b, at 10, pour, f rst, one gallon of water, and then three quarts 

 of ground marble; screw on the brass cao tightly, after carefully wiping all mar 

 ble, &c., off the screws, then tain the agitator at 11, slowly, two or three times 

 round. Close the valve in the vitriol c'.amber c, by forcing down with the hand 



