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).
Return of 6 X401 sparking plugs for examination.
| Identifier | ExFiles\Box 162\6\ img250 | |
| Date | 21th July 1934 | |
| D/BP. From Hs{Lord Ernest Hives - Chair}/Wst. c. to G/MT. c. to Roy.{Sir Henry Royce} 8442 Sh. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.21.7.34. Please return to Mr. Bernard Hopps, Lodge Plugs Ltd., Rugby, 6 X401 sparking plugs. These are being returned for his examination. No charge. Hs{Lord Ernest Hives - Chair}/Wst. | ||