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).
Delivery of a 3' diameter magnetic rev-counter.
| Identifier | ExFiles\Box 165\2\ img322 | |
| Date | 18th April 1941 | |
| To G/Mt. from Rm{William Robotham - Chief Engineer}/RC.{R. Childs} Copy to Roy{Sir Henry Royce}/AES. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}4/ST.18.4.41. REV-COUNTER. Please note that I have brought into the Works one 3" diameter magnetic rev-counter complete with 20 ft. drive. This is one of the two units ordered by us from the A.T. Speedometer Co., as per our memo to Roy{Sir Henry Royce}/AES. ref. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}5/ST.{Capt. P. R. Strong} 9.4.41. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||