Set of 8 volumes, boards have bumped and split corners with white smudges along edges. Textblock is clean and unmarked. Each volume is a different color ande has gilt titling on the front and spines.
Originally distributed by DARcorporation according to the sticker on the front pastedown of each volume.
These were put out in association with the University of Kansas in Lawrence. They cover the design and development of airplanes thoroughly and are a great reference volume with their detailed historical data.