Sarah A. Kingman Blundell, GB189319852A
A New or Improved Coal Economiser for Kitchen and other Grates.

On November 25, 1893, Sarah Anne Kingman Blundell of Chesterfield patented an innovative and low-cost economiser designed to reduce coal consumption and minimize the production of noxious smoke. Her invention focused on affordability and efficiency, offering a practical solution to industrial fuel waste and air pollution.
Date of Application: 21 October 1893
Date of Issuance: 25 November 1893
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