Special Agent of the Quartermaster-General, for the Ventilation
of Government Hospitals during the War; and Consulting Engineer
of Ventilation and Heating for the U. S. Treasury Department.
=Man's own breath is his greatest enemy.=
NEW YORK:
JOHN WILEY & SON, PUBLISHERS,
2 Clinton Hall, Astor Place.
1869.
Entered according to Act of Congress, in the year 1868, by
LEWIS W. LEEDS,
In the Clerk's Office of the District Court of the United
States for the Southern District of New York.
New York Printing Company,
81, 83, _and_ 85 _Centre Street_,
New York.