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).
Note concerning the 25/30 HP e Rassis gearbox with a cross-reference to another file.
| Identifier | ExFiles\Box 9\2\ 02-page28 | |
| Date | 6th December 1938 | |
| 637, Fry By/Ed.{J. L. Edwards} 7/B. 6.12.38. 25/30. H.P. e Rassis Gearbox. see file 628. | ||