Lawlers Patent Model of a Hot Water Heater 1877. This model was filed with the application to the Patent Office for Patent Number 189,314 issued to Edward Lawler of Hartford, Connecticut on April 10, 1877. Mr.

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

Keywords: engineering, industry, work