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).
Request for the procurement of various Alpe Couplings without any drilling.
| Identifier | ExFiles\Box 5\5\ 05-page15 | |
| Date | 4th June 1928 | |
| Roy.{Sir Henry Royce} from Ha/Rn.{Mr Robinson} X512 Ha/Rn{Mr Robinson}3/LG4.6.28. Will you please obtain for us the following Alpe Couplings :- Disc dia. 4½": 2 off .5" thick. 2 " .75" " 2 " 1.00" " No drilling of any sort - the flexibility to be of the same order as the attached model but preferably with slightly more canvas therein. Ha/Rn.{Mr Robinson} | ||