y inclined screw-tapped hole, through which passes gravelly nature, incumbered by the stumps of Scotch fir trees a screw C, the head of which is perforated at D to receive vention of Franklin Ransom ,who has been several years en- gaged in perfecting it. It is intended to perform the service cut… … perfected and maintained by the siphonic ac- anchor to clear it, and all is then ready for tion alone without the steam. THE RANSOM SIPHON CONDENSER. acting on another stump. When fairly at With a vacuum of 13 pounds per square work, the drawing of the stumps is performed plate, F. The metal plate…
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