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).
The trial of experimental sparking plugs for chassis No. 79-TW.
Identifier | ExFiles\Box 33\3\ Scan139 | |
Date | 10th June 1921 | |
S/W. Hr. (Handwritten Note) To H.S you will remember I wrote to you about these plugs & you said we had better take a set to try & keep customer in a good temper JH 13.6.21 (Header References) Bt{Capt. J. S. Burt - Engineer}1/EP{G. Eric Platford - Chief Quality Engineer}/10.6.21. X1812L (Typed Memo) Re:- GEORGE ROBERTS - Chassis No. 79-TW. ReMemorandum No. 2507 re experimental sparking plugs. Your reference Hr3/H8621. I have written to Mr. Roberts asking him to have a set of plugs made up and sent to you for trial. Clearances between the electrodes "0030". No doubt in the course of time, when you have tested the plugs thoroughly, you will write Mr. Roberts and tell him what your decision is regarding them. Bt.{Capt. J. S. Burt - Engineer} (Stamped) RECEIVED 11 JUN | ||