Air Force Manual: Maintenance and Operation of Refrigeration, Air Conditioning, Evaporative Cooling and Mechanical Ventilating Systems

The manual is in good condition, with no dust jacket as issued. The cover shows minor wear consistent with age, and the interior pages are clean with no inscriptions or markings. The binding remains intact, ensuring the manual's usability and readability.

This technical manual, "Maintenance and Operation of Refrigeration, Air Conditioning, Evaporative Cooling and Mechanical Ventilating Systems," was published by the Department of the Air Force in 1957. As an Air Force Manual (AFM 85-18), it provides comprehensive guidelines on the maintenance and operation of various cooling and ventilation systems critical for military installations. The manual is a staple resource for understanding mid-20th-century military engineering practices. This edition, released on 1 October 1957, is a reflection of the technological standards of the time, offering insights into historical military infrastructure management. The book is a softcover, bound in a durable format typical of military manuals of the era. It is a valuable piece for collectors of military history or those interested in the evolution of HVAC systems.