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).
Instruction from Mr. Royce to fit all worm axle cars with 835 x 135 wheels.
| Identifier | ExFiles\Box 4\4\ 04-page18 | |
| Date | 21th February 1912 | |
| Ref. NB/B3212. WBB 25/L21212. Mr Spinney 21/2/12 Please note that Mr Royce wishes all worm axle cars ( experimental or otherwise) to be fitted with 835 x 135 wheels. Will you please issue instructions on these lines for any worm axle cars put through, or in course of construction. X424 | ||