From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Parts and costs list for wings, mounting, rear components, and stone shields.
| Identifier | ExFiles\Box 117\2\ scan0153 | |
| Date | 9th January 1940 guessed | |
| No.4. WINGS AND MOUNTING (Continued.) 6 3/4" x 1/4" B. S. F.{Mr Friese} Set screws 1 1/2d 12. 1/4" B. S. F.{Mr Friese} Steel Nuts. 2 3/4d 6. 3/4" x 2 BA Hexagon set screws. 1 1/2d 6 2 BA Hexagon Nuts. 7d 6 3/16" Spring Washers 1/2d 12 3/16" plain washers 1d 20. 7/8" x 1/16" x 1/4" Plain Washers. 3d Rear 24 (wings) 1" x 1/4" B.S.F. Hex set screws 1/5d 8 1.1/2 x 1/4" ditto 6d 2 3/4" x 1/4" B.S.F. wing bolts. 1 1/2d 2 1/4" B S.F. Steel Nuts 1/2d 2 1/4" Spring Washers 1/2d 32 1/4" dble. coil spring washers 2 3/4d 32 7/8 x 1/16" x 1/4" flat washers 5 1/4d 6 3/4" x 8 C.S. MTS. 1 1/4d 12 No.8 solid brass screw cups 5 1/4d STONESHIELDS. 12 1/2" x 1/4" B.S.F. WING BOLTS 7 1/4d 20 1/4" spring washers 1/2d 20 1/4" B.S.F. Brass nuts 5d 12 1.1/4" x 1/16" x 1/4" flat washers 5 1/4d 6 7/8" x 1/16" x 1/4" ditto 1d TOTAL 3. 13 2 1/2 | ||