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    • Blanck, John
  • Period

    • Washington Presidency


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That your Petitioner John Blanck after much study, pains & expence hath found out & Invented a New Hydrostatic Pump, or Engine that will be found superior to any other ever before made or Invented, as it will discharge double the Quantity than any other, hitherto known, in the same given space of time, of the same Diameter & length of Stroke. Your Petitioner humbly begs leave to state the...