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Ventilator.
Patent for a new and improved ventilator. This design consists in "[t]he improved combined flue and ventilator . . . consisting of an outer casing surmounted by a cap and provided with a central flue, funnels hinged to the outer casing and provided with flexible connections for elevating the same, and means for conducting the air downward from said funnels" (lines 8-15).
Date:
April 27, 1886
Creator:
Shanley, Michael H.
System:
The Portal to Texas History