• Recipient

    • Patterson, Robert
  • Date

    • 1798-03-27


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In the lifetime of mr Rittenhouse I communicated to him the description of the mouldboard of a plough which I had constructed, and supposed to be what we might term the mould-board of least resistance . I asked not only his opinion but that he would submit it to you also. after he had considered it, he gave me his own opinion that it was demonstrably what I had supposed, and I think he said he...