Screw Propellers Hickman & Shelton Original Patent Lithograph 1888

Screw Propellers Hickman & Shelton Original Patent Lithograph 1888

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On this original linen-backed lithograph from 1888, A. Hickman & J. Shelton patented screw propellers; steering by screw propellers. The screw propeller is carried in such a way that it can be turned, after the manner of a rudder, to steer the vessel, and also so that it can be lifted and lowered to compensate for variations in draught which, in the case of a canal boat, are relatively very considerable.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.


In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

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