Hand-drawn diagram illustrating modifications to a pipe, likely an air intake, with specified dimensions and hole patterns.
| Identifier | ExFiles\Box 13\4\ 04-page060 | |
| Date | 22th November 1932 guessed | |
| 6.5 4.00" 15.00" 1 ROW OF 12 - 1/2" HOLES. 5.00" 2 ROWS OF 12 - 1/2" HOLES To CARB. [Faint text in background appears to be part of a report] ...to the carburettor...silencer- ...tested on the Unit...power losses, ...of these sizes of Air...s pipe. A.F. Sidgreaves. | ||
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).