Helicopter Engineering
first edition Hardcover
1949 · New York
by Raymond Young
New York: The Ronald Press, 1949. 1st. Hardcover. Collectible; Very Good/Very Good. 1949 1st edition, in the uncommon dustjacket. A VG copy in a VG dustjacket with slight fading along the spine and a bit of modest chipping to the spine extremities. Octavo, 255 pgs. (Inventory #: 1647)