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).
Specification sheet tracking design remarks and numbers on a blueprint.
| Identifier | ExFiles\Box 174\3\ img243 | |
| Date | 7th February 1940 guessed | |
| SPECIFICATION No PL422 ISSUE No 1 SHEET No 5 DESIGN NO DETAILS L.O.P. REMARKS. DESIGN REQD NOT REQD? PL355 DESIGN REQD SIMILAR IN DESIGN TO GCD1488 P.L.280 P.L.232 WE MAY HAVE TO CONSIDER USING THE STANDARD OR CHEAPER S.A.S.600 DRG P.L.280 P.L.232 P.L.280 P.L.232 P.L.280 P.L.232 P.L.280 P.L.232 DESIGN REQD PROJECT BY E.W.T.L.N. DESIGN REQD DESIGN REQD Partial stamp on adjacent paper: ...LS-ROYCE... ...RINT... 14 DEC... DERBY | ||