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).
Hand-drawn sketch on hotel letterhead comparing two designs for cylinder and port/valve layouts with dimensions and engine specifications.
| Identifier | ExFiles\Box 173\4\ img195 | |
| Date | 2nd January 1936 guessed | |
| Letterhead: HOTELS NEW YORKER & LEXINGTON, NEW YORK - NETHERLAND PLAZA, CINCINNATI - ADOLPHUS, DALLAS - VAN CLEVE, DAYTON. Book-Cadillac Hotel. DETROIT. Ralph Hitz President. Diagram 1 Annotations: 1, 1" 7/32, 2" 3/32, 25/32, Ex, 1.543 dia, In, 1.797 dia. Diagram 2 Annotations: 2, 3 1/2 BORE, 7/32 TOWARDS EXHAUST, 9/32, RUB. Right Margin Notes: Not to scale. 135 HP. 3 1/2 x 4 1/2. 6 1/4 C/R.{Sir Henry Royce} V8. CONQUEROR. η vol cu in 135 HP 6.2: | ||