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).
List of materials for the M.40 Body, detailing the parts, their suppliers, and who obtained them.
| Identifier | ExFiles\Box 109\2\ scan0237 | |
| Date | 16th May 1941 | |
| 704 MATERIALS FOR M.40 BODY Rm{William Robotham - Chief Engineer}/BAG.6/ST.16.5.41. No. | DESCRIPTION | PURCHASED FROM. | OBTAINED BY R.R. | OBTAINED BY P.W. | REMARKS. 1. | Windscreen & hinges. | Perfecta Motor Equipment. | | | 2. | " regulator. | " " | | | 3. | Sliding roof tray & fittings. | Weathershield. | | | 4. | Door Locks. | Wilmot-Breeden. | | x | 5. | Door window regulator. | " " | | x | 6. | Front door "No Draught" ventilator (complete). | " " | | x | 7. | Door dovetails & striker plate. | " " | | x | 8. | Door lock striker plate. | " " | | x | 9. | Door hinges. | Beaton & Son. | | | 10. | Door checks. | Wilmot-Breeden. | | x | 11. | Door glass channel. | " | | | 12. | Front Seats - Tubular. | Lace Web. | | | 13. | Seat Slides. | Chapman. | | | 14. | Rear Seat Armrest (centre). | " | | | 15. | Trunk Lid{A. J. Lidsey} Lock. | Wilmot-Breeden. | | x | 16. | " " Hinges. | " " | | x | | ||