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).
Letter from the Showrooms requesting the B.HP for the 20/25 HP, Phantom II Continental, and PH.II long chassis models, with a handwritten reply.
| Identifier | ExFiles\Box 27\2\ Scan020 | |
| Date | 16th March 1933 | |
| To "Rm{William Robotham - Chief Engineer}" Derby γ 1775. Showrooms Sr22/MLG.16.3.33 Dear "Rm{William Robotham - Chief Engineer}", I should be very grateful if it were possible for you to let me know the B.H.P. for the 20/25 HP, Phantom II Continental and PH.II long chassis. Yours sincerely, [Signature] [Handwritten note in left margin:] All open Exhaust [Handwritten note in body:] 160 PII Continental 120 PII Standard 78 20/25 | ||