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 detailing DC voltage tests for a Lucas ES75 Dynamo at various speeds.
| Identifier | ExFiles\Box 36\4\ scan 050 | |
| Date | 26th May 1920 | |
| R.R. 360 (120B) (SF 349 24-1-19) MP 200552 X. 30146 90971 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark. Customer's No.: R1341. Re: X 30146 Table: Lucas ES75 No. R1341 Dynamo. D.C. Volts Cold. 19.5°C. Columns: Bpssd, Volts, Volts. Row 1: 545, 5.15, 10.30 Row 2: 615, 6.20, 12.40 Row 3: 680, 7.10, 14.20 Row 4: 730, 7.90, 15.80 Row 5: 750, 8.20, 16.40. O.K. EX. Signed This Sheet must be filed on completion of the work. | ||