Letter to the Ethyl Gas Corporation regarding their work on overcoming the attack on exhaust valves by Ethyl.
| Identifier | ExFiles\Box 173\3\ img173 | |
| Date | 7th May 1934 | |
| Sg. {Arthur F. Sidgreaves - MD} 31/KW. 7th May, 1934. Mr. Heron(Experimental 6 CYL OHV 40/50 WITH PNEUMATIC F.W.B. air pump on camshaft, then Servo), The Ethyl Gas Corporation, Detroit, Michigan, U.S.A. Dear Mr. Heron(Experimental 6 CYL OHV 40/50 WITH PNEUMATIC F.W.B. air pump on camshaft, then Servo), We were interested to hear from Mr. Robotham of the work you are doing to overcome one of our major problems - the attack on exhaust valves by Ethyl. We should like to thanks you for the courtesy extended to Mr. Robotham by your Corporation. Yours sincerely, | ||
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).