inquire carefully into the ble saving in power. gines for motive power. As the pressure rises, it cost of production and 2 demand arose for compressors The airend of this machine is fitted with the Rand soon reaches a point to which the plunger of the reg- embodying the highest and most advanced… … the capacity of the tween the two cyl- machine, this inter- inders is an_ inter- change of action be- cooler through which the air must pass in its progress from éhe low The diameters of the air cylinders of this machine lation spring valves heretofore almost exclusively used. pressure to the high…
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