New system of ventilation, which has been thoroughly tested under the patronage of many distinguished persons : being adapted to parlors, dining and sleeping rooms, kitchens, basements, cellars, vaults ... / by Henry A. Gouge.

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New system of ventilation, which has been thoroughly tested under the patronage of many distinguished persons : being adapted to parlors, dining and sleeping rooms, kitchens, basements, cellars, vaults ... / by Henry A. Gouge. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.