1891 Patent No. 14,904 screw propeller for steamships, Walter Swift, Hull

Patent No. 14,904 A.D.1891 An Improved Screw Propeller for Steamships and the lile

"I, Walter Swift of 51 Clarendon Street, Spring Bank, Hull in the County of York, Ironfounder, do hereby declare the nature of this invention to be as follows: The object of my invention is to construct a screw propeller for steamships and the like so that a greater speed can be attained with a much less consumptions, and therefore less cost of fuel..."

1 page of text + 1 drawing which have been disbound from a larger volume.

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