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Brown - figure 483 |
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Description
Dry gas meter. Consists of two bellows-like chambers, A, A', which are alternately filled with gas, and discharged through a valve, B, something like the slide-valve of a steam engine, worked by the chambers, A, A'. The capacity of the chambers being known, and the number of times they are filled being registered by dial-work, the quantity of gas passing through the meter is indicated on the dials. |
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