Return of Jupiter sparking plugs due to a lack of interest in testing them.
| Identifier | ExFiles\Box 33\3\ Scan270 | |
| Date | 21th February 1929 | |
| X.1812a. Hs {Lord Ernest Hives - Chair} 4/LC21.2.29. To ROY {Mr H. Royce - Buyer} /GEA. from Hs. {Lord Ernest Hives - Chair} We are returning to you herewith the Jupiter sparking plugs. We are not interested in these plugs and are in a position to test them, Hs. {Lord Ernest Hives - Chair} | ||
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).