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).
Order for various types of aero sparking plugs.
| Identifier | ExFiles\Box 58\2\ Scan188 | |
| Date | 16th April 1935 | |
| 86000. Roy.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.16.4.35. AERO SPARKING PLUGS. Please order for us to order No.54202. (Note: the phrase 'for us to order' is struck through) ✓24 Lodge X453B plugs. 24 K.L.G. 868B plugs. 24 K.L.G. 769B plugs. 12 K.L.G. 744B plugs. Hs{Lord Ernest Hives - Chair}/Wst. | ||