LECTURES ON VENTILATION:

BEING A COURSE DELIVERED IN THE
FRANKLIN INSTITUTE,
OF PHILADELPHIA,
DURING THE WINTER OF 1866-67.

By LEWIS W. LEEDS,

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.