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).
Requirements for three sets of Michelin wheels and Dunlop tyres for a 40/50 chassis.
| Identifier | ExFiles\Box 81\1\ scan0153 | |
| Date | 14th January 1919 | |
| R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X990 To Mr. Mills O.O. c. to Mr. Clough. c. to Mr. Ormerod. c. to EFC. c. to EH. ----------------- X.3482. X.990. BY5/T.14119. 14th January 1919. RE WHEELS FOR 40/50 CHASSIS. Further to my memo BY3/P.10119, instructing up Michelin Wheels as follows :- (a) 880 x120 Micelin Disc Wheels for front and rear (rear twins) (b) 895 x135 Michelin Disc for front +rear (singles) please note that R.{Sir Henry Royce} also requires a third set of wheels:- (c) 895 x135 for front and rear (rear to be twins to these dimensions. In addition R.{Sir Henry Royce} now requires me to order special large Dunlop tyres for wheels under (b), but ordinary Dunlops for (c). BY.{R.W. Bailey - Chief Engineer} | ||