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 to fit the latest type louvred trumpets for Lucas WT.11.X horns.
| Identifier | ExFiles\Box 166\9\ img061 | |
| Date | 20th March 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} 6066. Wst/RC.{R. Childs}2/JH.20.3.37. Re latest type louvred trumpets for Lucas WT.11.X. Horns. Will you please instruct for these trumpets to be fitted to the horns on 37-EX now in the shop. Wst/RC.{R. Childs} | ||