Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 121
shes, an opposite result isproduced. The outlet to burners is at F. 483. Dry gas meter. Consists of two bellows-like cham-bers, A, A^ which are alternately filled with gas, and dis-charged through a valve, B, something like the slide-valveof a steam engine, worked by the chambers. A, A^ Thecapacity…
Mechanical movements
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