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).
The original drawing for the Auto-Klean strainer and freewheel ratchet device details.
| Identifier | ExFiles\Box 19\3\ Scan404 | |
| Date | 26th May 1930 | |
| X7772 By.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer} c. Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} E1/M26.5.30. X.4037 X.7772 X.7190 P.2. AUTO-KLEAN STRAINER DETAILS. Herewith please find original drawing LeC. 2300, completed with full details of the freewheel ratchet device. E.{Mr Elliott - Chief Engineer} | ||