Severns, William H.
Heating, ventilating, and air-conditioning fundamentals / William H. Severns and Julian R. Fellows. - 2nd ed. - New York, John Wiley, c 1949. - vii, 666 p. : ill. ; 24 cm.
Includes Index.
311 311
49050350
Heating.
Ventilation.
Air conditioning.--New York.
697 / S83h
Heating, ventilating, and air-conditioning fundamentals / William H. Severns and Julian R. Fellows. - 2nd ed. - New York, John Wiley, c 1949. - vii, 666 p. : ill. ; 24 cm.
Includes Index.
311 311
49050350
Heating.
Ventilation.
Air conditioning.--New York.
697 / S83h