Original drawing L.C. 2800 for the Auto-Klean strainer, with full details of the freewheel ratchet device.
| Identifier | WestWitteringFiles\U\2January1930-September1930\ Scan144 | |
| Date | 26th May 1930 | |
| B/. FROM E. {Mr Elliott - Chief Engineer} C. to G. {Mr Griffiths - Chief Accountant / Mr Gnapp} W/R. HS. {Lord Ernest Hives - Chair} ORIGINAL E1/M26.5.30. x4037. x7772 x7190. P. 2. AUTO-KLEAN STRAINER DETAILS. Herewith please find original drawing L.C. 2800., completed with full details of the freewheel ratchet device. E. {Mr Elliott - Chief Engineer} | ||
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).