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Primary view of Photographic Copying Apparatus
Gregory, Oscar T. & Carkhuff, Norman W.
February 2, 1915
Primary view of Seal-Lock.
Haley, Fred H.
February 2, 1897
Primary view of Fiber-Machine.
Worthington, George & Parvin, Enoch, J.
September 2, 1884
Primary view of Fiber machine.
Worthington, George & Parvin, Enoch J.
September 2, 1884
Primary view of Plow
Hendon, Walter P.
April 2, 1907
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