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).
Blueprint detailing the lubrication scheme for an Acme thread steering worm.
| Identifier | ExFiles\Box 86\4\ scan0090 | |
| Date | 16th May 1934 | |
| 16-5-34 DELIVERY EFFECTIVE LENGTH 'L' E58296 STEERING WORM. SUPPLY ACME THREAD LUBRICATION SCHEME. MB | ||