U.S. Department of Health & Human Services

NLM Digital Collections

A treatise on ventilation: comprising seven lectures delivered before the Franklin Institute, Philadelphia, 1866-68 : showing the great want of improved methods of ventilation in our buildings, giving the chemical and physiological process of respiration, comparing the effects of the various methods of heating and lighting upon the ventilation : illustrated by many plans of all classes of public and private buildings showing their present defects, and proposing the best means (in the author's judgment) of improving them