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A guide to the Stetson G. Hindes patent for Screw-Propellers, 1894 August 14
HDC0525 (SAFR 18873)  
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The Stetson G. Hindes patent for Screw-Propellers (SAFR 18873, HDC0525) is a patent certificate 524,500 issued by the United State Patent Office on August 14, 1894 to Mr. Hindes for a new and useful improvement in Screw-Propellers. The patent includes a diagram of the propeller and specifications. The collection is open for use.
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This collection is open for use unless otherwise noted.