[Coggeshall, William Turner], 1824-1867, [from old catalog] ed · Columbus, Follett, Foster and company · leaf 330
AV S f^V 3. Gas—Meter. 281 such of the openings / as are from time to time above thesurface of the water. By its action upon the partition whichcurves over the opening a, a rotatory motion is communicated tothe cylinder ; the gas from the opposite chamber being at thesame time expelled by one of…
Printing · Pottery · Gas, Illuminating · Iron industry and trade · Glass manufacture
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