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).
Standardisation sheet for the use of 33 x 6' Balloon Tyres on 20-HP cars.
| Identifier | ExFiles\Box 53\3\ Scan035 | |
| Date | 17th March 1927 | |
| Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} V4565 EP{G. Eric Platford - Chief Quality Engineer}4/H17.3.27. re. Use of Balloon Tyres on 20-HP. With reference to CWB11/GM.15.3.27. and your reply Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}6/LG16.3.27. you will no doubt be issuing a Standardisation Sheet authorising 33 x 6" Balloon tyres on 20-HP.cars where specially called for by customers. We suggest that information should also be supplied to Hm.{Capt. W. Hallam - Head Repairs} for circularising to the Depots. EP.{G. Eric Platford - Chief Quality Engineer} | ||