Ventilating Attachment to Hearths.
Description:
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
Partner:
UNT Libraries Government Documents Department