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).
Request to order special radiator tubes with expanded ends for the 20 HP chassis.
| Identifier | ExFiles\Box 105\1\ scan0034 | |
| Date | 24th April 1929 | |
| C.C. PHC. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} BY/CS. BY/SS.{S. Smith} ---------- X5250 BY6/G.24.4.29. Will you kindly order up sufficient radiator tubes to make four radiators for the 20 HP. chassis. The radiator tubes will be special in as much as they will be 6 m/m on the main length expanded to 7 m/m at the ends. The length will be the same as our present 20 HP. BY.{R.W. Bailey - Chief Engineer} | ||