London: His Majesty's Stationery Office 1928. First Edition. viii, 431, , ix-xxiii (index) pages. Blue-gray buckram. 8vo. Ex-library from the Massachusetts Institite of Technology (MIT), properly discarded (periodic stamps, bookplate, spine label removed). Some pages and foldouts with taped folds, occasional edge tears, not collated but apparently complete. Good. Cloth. 
The state of the art in Aeronautics in 1927. Many, many diagrams and figures. Soundly technical.