Covering note for blueprints related to the 'RIPPLET' instrument board, sections PL. 149 and RD. 718.
| Identifier | ExFiles\Box 168a\1\ img163 | |
| Date | 1st April 1940 | |
| Ru/Re 4 To. Rm {William Robotham - Chief Engineer} or PV Ev {Ivan Evernden - coachwork} /HH.2/ 1. 4. 40. RIPPLET PL. 149. Instrument Board Instrument Board, Section 7190 Please receive herewith 3 blue prints of the following. RD. 718. Arrangement of Instrument Board We also enclose 2 additional prints of Scheme PL. 149. Ev {Ivan Evernden - coachwork} /HH. | ||
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).