HENSON AND STRINGFELLOW: THEIR WORK IN AERONAUTICS. The History of a Stage in the Development of Mechanical Flight 1840-1868. Board of Education, Science Museum.

8vo., blue clothbound hardback gilt; 115pp., indexed, colour frontis, plus 25 b/w plates, 4 text figures, and 6 fold out drawings at the end. Previous owner's bookplate to front pastedown. Spine very slightly faded, overall a VG copy. No dust jacket.