Howard's patent ventilator, a scientific invention of cheap construction, applicable at small cost to all buildings, railroad cars, passenger vessels, &c., and a perfect means for the introduction of pure fresh air, without draught.
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Date
Authors
Howard, Henry
Journal Title
Journal ISSN
Volume Title
Publisher
St. Johns, Printed at the "News" book and job printing off.,
Abstract
Description
Keywords
Ventilators.
Citation
Cover-title.