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).
Ledger page showing a calculation of totals and a percentage.
| Identifier | ExFiles\Box 27\2\ Scan426 | |
| Date | 20th May 1936 guessed | |
| -2- Brought forward :- 310 Mr.Collier 1 " Morris 1 " Slater 1 " Farmer 2 --- 315 === Your percentage of the whole is 25.10% D.{John DeLooze - Company Secretary} | ||