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).
Daily gain or loss in minutes for instruments on various identified cars.
| Identifier | ExFiles\Box 164\1\ img227 | |
| Date | 29th March 1940 | |
| - 3 - Cont'd.{John DeLooze - Company Secretary} Rm.{William Robotham - Chief Engineer}9/ML.29.3.40. | Car. | Gain or Loss in Minutes per day | Remarks. | |---|---|---| | 11.B.V. | 0 to -.11 | Maximum variation not more than .50 minutes per day. | | 12.B.V. | +.21 to .29 | | | 9.B.V. | +.07 to .35 | | | 1. R.{Sir Henry Royce} 1. | +.20 to .70 | Maximum variation between .50 and 1.0 minutes per day. | | 7. B. V.{VIENNA} | -.20 to .60 | | | 10.B.V. | -.55 to 1.1 | Maximum variation over 1.0 minutes per day. | | 8.B.V. | -.80 to 1.5 | | | 4.B.50. | -.30 to 1.6 | | The instruments on cars 10.B.V. and 8.B.V. and 4.B.50 are to be removed and sent to the Makers for examination and adjustment as soon as possible. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||