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Ventilating Attachment to Hearths.
Patent for a new and improved ventilating attachment for hearths. This design "consists in extending the ventilating box or casing . . . sufficiently below the floor of the room to the hearth to which it is applied to allow it to project into the room below" (lines 19-23).
Date:
June 27, 1882
Creator:
Howard, Joshua Eaffrom
System:
The Portal to Texas History