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).
Blueprint detailing the D.W.S. Four Wheel Jacking System and its components.
| Identifier | ExFiles\Box 26\3\ Scan121 | |
| Date | 22th January 1932 | |
| JACK CLOSED (FRONT AXLE), SPRING SAFETY LOCK-WASHERS, GREASE NIPPLE, BALL RACE, HINGE LOCKING COLLAR, ADJUSTABLE SHAFT, THRUST BALL-BEARINGS, JACK HANDLE., FOOT & EXTENSION PIECE, GREASE RETAINER & SPREADER, D.W.S. FOUR WHEEL JACKING SYSTEM., JACK EXTENDED (REAR AXLE), TORCH CLIPPED TO HANDLE FOR NIGHT USE., L.D.S. DEV. DEPT., DRG. ROOM, 22 JAN 1932, COPY | ||