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).
Authorising the retreading of a Helsby tyre carcase with grooved rubber.
| Identifier | ExFiles\Box 1\7\ B001_X15 20 46 50 59-page118 | |
| Date | 9th July 1913 | |
| X20 Wor{Arthur Wormald - General Works Manager}/SM5/L9713. Re Helsby Tyres. - X.315 Na{Mr Nadin} 9-7-13. for Mr Rudd. In reply to your memo JR{Mr James Royce}22/B7713, please have the carcase retreaded with grooved rubber at a cost of 25/- p. Wor.{Arthur Wormald - General Works Manager} | ||