Excerpt from On the Smokeless Fire-Place, Chimney-Valves and Other Means, Old and New: Of Obtaining Healthful Warmth and Ventilation That in the last fifty year

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi