Document 0qZ9R9Xrp2eZ2x4vR5oXBo0rk

r--. : ;`;./>V; v ' i*; - ,''| ' 1*3': - > ?' '-' ,. HEATING VENTILATING AIR CONDITIONING GUIDE 1948 An Instrument< of. Service Prepared for the Profession . ... containing A TECHNICAL DATA SECTION of reference material on the DESIGN AND SPECIFICATION OF HEATING, VENTILATING AND AIR CONDI TIONING SYSTEMS BASED ON--THE TRANSACTIONS--THE INVESTIGATIONS of the Research Laboratory and Cooperating Institutions--and the Practice of the Members and friends of the Society; A. MANUFACTURERS' CATALOG DATA SECTION containing essen tial AND RELIABLE INFORMATION CONCERNING. MODERN. EQUIPMENT: THE ROLL OF MEMBERSHIP OF THE SOCIETY; COMPLETE INDEXES to Technical and Catalog Data Sections. $7.50 fper Copy Published Annually by ^Vmerican Society of Heating and Ventilating Engineers 51 Madison Avenue New York 10, N. Y. A136235