Electrical experimental record sheet for Morganite E.G.2 brushes with a 45° bevel.
| Identifier | ExFiles\Box 60\1\ Scan119 | |
| Date | 1st March 1929 | |
| X8673 1-3-29 ELECTRICAL EXPERIMENTAL RECORD SHEETS. Morganite E.G.2 Brushes With 45° Bevel. Date on. Location. Date off. REMARKS. Miles reading start. Miles reading finish. Miles covered. Total miles. 1-3-29 | Lab. | 4-3-29 | Brushes fitted to dynamo L and machine prepared. | 8,715 4-3-29 | 14 Ex | 4-4-29 | Reading taken | | 580 | 1,865 | 1,865 4-4-29 | " | 1-5-29 | " | 580 | 1,715 | 1,135 | 3,000 1-5-29 | " | 3-6-29 | " | 1,715 | 2,734 | 1,019 | 4,019 3-6-29 | " | 3-7-29 | " | 2,734 | 4,237 | 1,503 | 5,522 3-7-29 | " | 12-8-29 | " | 4,237 | 5,853 | 1,616 | 7,138 12-8-29 | " | 2-9-29 | " | 5,853 | 6,745 | 892 | 8,030 2-9-29 | " | 3-10-29 | " | 6,745 | 8,436 | 1,691 | 9,721 3-10-29 | " | 13-11-29 | " | 8,436 | 390 | 1,954 | 11,675 13-11-29 | Lab. | 25-11-29 | Bench examination and test. Reported PD 41 25-11-29. Test completed and reported. | ||
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).