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).
Design comparison showing existing and suggested schemes for Cross Steering Tube Ball Joints for the Wraith III and Phantom III models.
| Identifier | ExFiles\Box 153\2\ scan0338 | |
| Date | 22th June 1937 | |
| Existing Scheme PACKING BLOCK G.W. 1041 IN ALUM 4-OFF MACHINED ALL OVER. FRONT BACK. & SIDES Suggested Scheme SUGGEST EXTRA METAL BE LEFT ON FACE OF SOCKET G.W. 1282-B TO REPLACE PACKING BLOCK .015 CHAMFER ON CAP NUT G.W. 1519 DELETED ROLLS-ROYCE LTD. PRINT ROOM JUN 22 1937 DERBY. SUGGEST ALSO THAT Ph III SOCKETS BE MODIFIED BY LEAVING METAL ON LOCALLY & DELETING PACKING BLOCK. Wraith III Ph III CROSS STEERING TUBE BALL JOINTS. Ex| 182. | ||