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).
Wiring diagram showing the electrical connections for a pressure gauge system.
| Identifier | ExFiles\Box 165\4\ img148 | |
| Date | 9th March 1932 | |
| ELECTRICAL PRESSURE GAUGE CONNECTIONS A - PRESSURE GAUGE B - AIR BOTTLE C - INDUCTION COIL D - ACCUMULATOR E - DISTRIBUTION BOX F - DISC VALVE UNIT ROLLS-ROYCE, LTD. PRINT ROOM MAR 9 1932 DERBY. | ||