Consists of the following reports:
- Experimental test flight reports on the Bristol type 123 (F.7/30), 1934-35
- Experimental test flight reports on the Bristol type 133 (F.7/30), 1934-35
- Experimental test flight reports on the Bristol type 138A (A.M. 2/34), 1934
- Design and testing notes for the Bristol type 138A (A.M. 2/34), 1935-38
- Type record, 2/34/High altitude/ exp., Bristol type 138A, 1935-36
- Flight test reports : Bulldog IIIA, Bulldog IV, drags, airscrew figs and performance, 1931-36
- Type record, Bulldog IIIA/Merc.IV.A aircraft, 1931
- The Bristol Blenheim and Bristol Beaufighter ; description of their design and construction, 1936-41
- Wapiti (J.8495), experimental test flight reports, 1932-33
- Type record, Beaufighter I, VI & X addendum no. 2 to Beaufighter I, A. M. Specn. 17/38, 1939-43