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).
Instruction sheet with test results for a Lucas C57S Dynamo under hot conditions.
| Identifier | ExFiles\Box 36\4\ scan 058 | |
| Date | 29th May 1920 | |
| BR 300 (120B) (SF 349 24-1-19) MP 200552 90980 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: McClark Date: 29/5/20 Order No: X. Customer's No.: 7B 50. Re: X. Lucas C575 Dynamo No R1341 Control brush Retarded .30" Hot Condition 710. | 0 | - 4.0 | 13.40. 1035 | 6.10 | + 2.50 | 14.30. 1420. | 9.20 | + 7.90 | 14.70. 2040 | 9.70 | + 11.90 | 14.80. 2500 | 9.45 | + 13.25 | 14.70. 3035 | 9.05 | + 13.80 | 14.70. 3470 | 8.20 | + 13.50 | 14.65. 715 | 0 | -4.0 | 13.45 Signed This Sheet must be filed on completion of the work. | ||