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).
Request to procure two Schrader valves from the Champion Sparking Plug Co. for a plug cleaning rig.
| Identifier | ExFiles\Box 167\2\ img063 | |
| Date | 3rd August 1937 | |
| To Roy.{Sir Henry Royce} 6103 Rm{William Robotham - Chief Engineer}/RC.{R. Childs}3/JH.3.0.8.37. re Champion Plug Cleaning rig in the Experimental Electrical Laboratory. Will you please obtain for us from the champion sparking plug Co. 2 Schrader valve No.5495 for use on the above rig. O/N.54101. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||