Page 2 of a letter from Heath Plugs Ltd. regarding the superiority of their sparking plugs.
| Identifier | ExFiles\Box 33\3\ Scan106 | |
| Date | 10th December 1930 | |
| -2- feel confident you would soon be convinced of its superiority over all other "common-or-garden" open ended sparking plugs, but he regrets at the moment it is impossible for him to get away. We are, Dear Sirs, Yours faithfully, HEATH PLUGS LTD. (Sgd.) A.F.Heath. Managing Director. R.R. 865A (100) (S/E) H 79S. 10-12-30(C) 2647 | ||
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).