ed with a centrifugal pump which is mosquitoes. driven by a three-cylinder engine of 1,500 horse-power, About two years ago the idea of making some use the cylinders being 42, 28, and 14 inches in diameter of this marsh meadow was agitated. An investiga- respectively. The discharge pipe served by… … was decided to cutting head is The Discharge End of the Pipe. entirely remove pressed against the bank, and rapidly disintegrates the earth and a section of the formation adjacent to Cold Spring struction of suitable sewerage and drainage systems. other material, causing the portion above to become…
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