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).
Blueprint for a Peregrine exhaust system.
| Identifier | ExFiles\Box 2\10\ 10-page22 | |
| Date | 29th March 1932 | |
| PEREGRINE EXHAUST SYSTEM RM{William Robotham - Chief Engineer} P&P 22 1.625 O.D. .104 THICK INSIDE DIA. 1.417 29.5 5.00 O.D 1.437 I.D. 1.875 I.D. (.064 THICK) 1.5 I.D. 2 I.D 18 SWG 67.375 29/3/32 | ||