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).
Alteration 737/Dss for the 20/25 and Peregrine II switchbox.
| Identifier | ExFiles\Box 166\3\ img005 | |
| Date | 15th November 1932 | |
| RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Wst. WST X6069 BY/RD2/W.15-11-32. Re :- 20/25 and "Peregrine II. Switchbox,Sec.8160. Alteration 737/Dss. We hand you herewith our Alteration 737/Dss,and all the parts mentioned thereon have been previously issued to you under cover of our memo BY/RD.1/W.8-11-32. BY/RD. RECEIVED 15 NOV 1932 | ||