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 detailing modifications to a Peregrine engine silencer assembly.
| Identifier | ExFiles\Box 169\4\ img078 | |
| Date | 13th October 1932 guessed | |
| MODIFICATIONS TO LATEST PEREGRINE E... TO BE SPOT WELDED CAN EASILY... BLANKED REM... E 100623 1.875 12 S.W.G. 6.0' 8 ROWS 8 PE... 82 1/4 HOLES 24 5/16 HOLES 18 1/4 DIA HOLES BLANK DETACHABLE HERE 10' ADJUSTABLE BAFFLES OTHER SILENCER DIMENSIONS TO WHICH ARE AS SHEWN | ||