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 indirect departments with their corresponding numbers and foreman or chargehand names.
| Identifier | ExFiles\Box 142\1\ scan0245 | |
| Date | 12th October 1938 guessed | |
| -10- Dept.No. Department. Foreman or Chargehand. Remarks. Indirect Departments 403 Sub-Contract Depts SFT{Mr Swift}/CH. 407 Aero Instruction School. Hinings 420 Hardening Pendlebury 430 Plating Aspley 444 Material Test Base 460 Pattern Shop Walker 490 Wheelabrator and Bowers Sandblast near No.1 Shop. | ||