- Item 4220 - Self Heating Can Company, North Fairfield, ca. 1890
- Contributed by Maine Historical Society
- Item 4220
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- *Credit line must read: Collections of Maine Historical Society
This is one of many preserving products used in the heyday of the canning industry. The can had a central chamber holding a substance that would release heat when put in contact with water, such as lime.Show Details
Water could be dropped in and the resulting heat would cook the surrounding vegetables. The inventor, George S. Jewett, claimed it was "just the thing or light housekeeping, picnics, camping, yachting, sportsment, etc."