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IT IS COMPARATIVELY PROOF AGAINST FROST.
  
  
  
  
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IT IS COMPARATIVELY PROOF AGAINST FROST.

Those acquainted with the old engines, know,by sad experience, the evils of frozen valves
and obstructed pistons, and the necessity of resorting to means of thawing out the machine,
or suffer it to remain useless, even at times of fire. But a single revolution of the rotative,
discharges the ice that may have collected on the surface exposed, and an effective operation
is not retarded for a moment.