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).
Request to make plates to accommodate aero sparking plugs as per drawings EL169 and 170.
| Identifier | ExFiles\Box 58\2\ Scan209 | |
| Date | 11th July 1935 | |
| 86000. RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.11.7.35. SPARKING PLUGS. Will you please have four plates each made to our drgs. EL169 and 170 attached to accomodate aero sparking plugs. Hs{Lord Ernest Hives - Chair}/Wst. | ||