April 1943; softbound in acrylic covers; very good condition.
 
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"WAR DEPARTMENT, Washington, April 10, 1943; TM10-1679.  Maintenance Manual, Trucks, 7 and 1/2-ton 6x6 Prime Movers, MACK, (Models No - 2, 3 & 6) published by the Mack Manufacturing Corporation, is furnished for the information and guidance of all concerned." by order of the Secretary of War: G.C. Marshall