Foot Warmer Patent Model. Full-size patent model ( Patent No. 50,123) of a hot water- or sand-heated foot warmer or stove, made by Hermann Hock and Jacob Zilz of Philadelphia, PA, and patented on September 26, 1865.

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Size: 1825px × 1369px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: community, domestic, home, life