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).
Trial of 33 x 6.75 inner tubes supplied by the Dunlop Co.
| Identifier | ExFiles\Box 53\2\ Scan258 | |
| Date | 4th October 1926 | |
| Hs.{Lord Ernest Hives - Chair} X4565 BY/HM{Capt. W. Hallam - Head Repairs}12/G.4.10.26. re 33 x 6.75 INNER TUBES. -------------------------- The Dunlop Co. have advised us that they are sending six tubes with valves fitted directly opposite the join, and they would like us to try these tubes in conjunction with the balancing units we are using. We have instructed the Stores to hand the tubes over to you, and we shall be pleased if you will let us know whether they are satisfactory in order that we may inform the Dunlop Co. BY/HM.{Capt. W. Hallam - Head Repairs} | ||