Ventilator.
Description:
Patent for a new and improved ventilator. This design is "to provide a ventilator which shall automatically accommodate or turn the collecting-hood thereof to the direction in which the wind is blowing, to collect and conduct fresh pure air into buildings, cars, &c.; to provide means for regulating the distribution of the air to the compartments or different parts of the buildings, &c.; to diminish the friction and wear between the swiveled collecting-hood and its supporting devices whereby sai…
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Date:
April 27, 1886
Creator:
Sellars, James K.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department