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).
Diagrams showing the routing and mounting of low and high tension wiring and components.
| Identifier | ExFiles\Box 181\M11\ img252 | |
| Date | 1st March 1911 | |
| BALLAST ONLY MOUNTING, LT WIRE, LT WIRE PASSING THRU' TROUGH, SECTION THRU' WOOD TROUGH LID{A. J. Lidsey} HELD ON WITH SCREWS, SHEET METAL, HARD WOOD BLOCKS, ORIGINAL BRACKET (TENNIS RACKET), HT WIRES, 160 3/11 | ||