File:US Patent 450336 Fig 1.gif

US_Patent_450336_Fig_1.gif (460 × 463 pixels, file size: 50 KB, MIME type: image/gif)

Summary

Diagram extracted from US Patent 450,336, dated 14 April 1891. The inventor, Mortimer B. Mills, was born in 1845 - and is long dead. Consequently, I believe that any copyright has expired.

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current18:16, 2 September 2006Thumbnail for version as of 18:16, 2 September 2006460 × 463 (50 KB)Fibula (talk | contribs)Diagram extracted from US Patent 450,336, dated 14 April 1891. The inventor, Mortimer B. Mills, was born in 1845 - and is long dead. Consequently, I believe that any copyright has expired.

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