00517cam a22001811 4500 697.93 HAI L-8, P-6 Haines, John E., 44451 Automatic control of heating and air conditioning. 1st ed. New York, McGraw-Hill, 1953. 370 p. illus. 24 cm. 0 0 0 697_930000000000000_HAI Humidity. 44452 MCE 379 Pressure gages. 39963 Thermostat. 44453 ddc BK 548238 548238 0 0 ddc 0 0 MCE MCE 2014-08-25 0 697.93 HAI MCE-940 2014-08-25 2014-08-25 BK