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 voltage readings at the lamp terminals for chassis 2EX under different battery and dynamo conditions.
| Identifier | ExFiles\Box 168b\2\ img028 | |
| Date | 29th December 1919 | |
| ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Clark Order No. X 802 Customer's No. Voltage at Lamp terminals of 2EX. X. 8743. The voltage at the lamp terminals of 2EX with the battery fully charged but not charging = 12.4V. With the dynamo delivering 10 amps to the battery the voltage rises to 16.0 volts. The switching on & off of the lights making a difference of .5 volt in the first case & .1 volt in the second case. Signed [Signature] This Sheet must be filed on completion of the work. | ||