Merritt Propelling Apparatus Patent Model. This brass, steel, and wood patent model accompanied the patent application for Daniel S. Merritt's crank paddle, which claimed advancement over the common steamboat paddle wheel. The application received patent number 89,231 on April 20, 1869.

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Size: 1936px × 1291px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: industry, maritime, work