. Memoirs of the American Academy of Arts and Sciences. he centre of the whole, wliich is a vertical line drawn through the centre of theplaten. As the distances of the various parts from the frame of the press are given, and also their dimensions,it has been possible to reproduce the drawing in its essential parts. In a letter to Mr. William Van Norden, of New York, who at one time intended to publish a History ofPrinting in America, Mr. Treadwell says: You will see that the specification is drawn up in a very unusualmanner, bearing no reference to any drawing, although a good drawing was mad
. Memoirs of the American Academy of Arts and Sciences. he centre of the whole, wliich is a vertical line drawn through the centre of theplaten. As the distances of the various parts from the frame of the press are given, and also their dimensions,it has been possible to reproduce the drawing in its essential parts. In a letter to Mr. William Van Norden, of New York, who at one time intended to publish a History ofPrinting in America, Mr. Treadwell says: You will see that the specification is drawn up in a very unusualmanner, bearing no reference to any drawing, although a good drawing was made and filed with it in the Patent-Office, where it was burnt in or 1836. The specification was made in this way, I may say in caprice, to showthat I could make a description that would answer the requirements of the law by the use of words alone, withoutany aid from a picture representation. In another letter to the same : In whatever you write, remember thatwhen I made this press I was a mechanic. The press was not the invention of a Fig. 4. Iowek Pkinting-Press. ^^^^^iP^H
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