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).
From EH to Mr. Mills requesting an order for 24 Duco Valve Stem Lubricators for experimental purposes.
| Identifier | ExFiles\Box 76\4\ scan0231 | |
| Date | 29th January 1919 | |
| To Mr. Mills from EH EH3/LG29.1.19. 29th. Jan. 1919. X.33/5. Attached herewith is an Order Form for Duco Valve Stem Lubricators. Will you please order for Experimental purposes 24 of these Lubricators - O/No 725. EH. | ||