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).
Promotional leaflet for Auto-Klean Strainers, a self-cleaning straining appliance.
| Identifier | ExFiles\Box 135\3\ scan0012 | |
| Date | 24th May 1930 guessed | |
| AUTO-KLEAN STRAINERS AK REGISTERED TRADE MARK (BRITISH INVENTION) A REVOLUTIONARY STRAINING APPLIANCE (NO GAUZE OR PERFORATED METAL USED) CLEANABLE UNDER PRESSURE BY TURNING A HANDLE. | ||