Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1461
Steam Engineering cuit^ polarization delayed type. They give a pressure of1.5 volts and have a resistance of 1 to 2 ohms. Two ofthem are shown in Fig. 678. The carbon element is made with as large a surface aspossible. Carbon and charcoal have a remarkable powerof absorbing gases. A cubic inch of… … Fig. 679carbon cylinder cell with depolarizer The action of the cell dissolves the zinc, forming zincchloride, which dissolves in the water. A little ammonia•and hydrogen gases are set free. The ammonia is dis-solved by the water and the hydrogen absorbed by thecarbon. In time the carbon gets…
