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).
Experimental dynamo record sheet for a 20 HP engine.
| Identifier | ExFiles\Box 51\1\ Scan374 | |
| Date | 26th July 1923 | |
| 20 HP. EXPERIMENTAL DYNAMO RECORD SHEET DYNAMO: G Date. | Location. | Particulars. | Chassis Miles Reading | Total dynamo miles 26 July 1923 | 5 G II. | Tested 11 x spec'n. Brushes not quite bedded. Comm. O.K. Brushes in old angular position. | 00 | 0 24 Oct 1923 | Shop/Lab | For expt. Comm undercut. Replaced by 625. Springs: +1.0, -1.0, & .25 lbs. [Note: 25-7-23 lead melted] | 307 (5GII) | 307 30 " " | Shop | Springs + .75 - 1.0, c .5 (lbs?) For modernizing. Thence to E.P. | - | - [Right Margin Text] X A B C | ||