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Vintage paperback military instructional book entitled "Aircraft Hyrdraulics," by the U.S. Naval Air Technical Training Command. Published by the Bureau of Naval Personnel in 1951.
In good vintage condition, with wear to paper cover and binding. Some discoloration, yellowing and writing is present on inner cover and throughout.
Book cover measures 7 3/4 inches high by 5 1/8 inches wide. Book is 3/8 inches thick.