Ericsson Air Engine Patent Model. eThis model was submitted to the Patent Office with the application for Patent no. 22281, issued to John Ericsson, December 14, is one of the earliest hot-air engines in which cold air is drawn into, compressed, heated, and expanded within the same cylinder.

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Size: 1938px × 1289px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: engineering, industry, work