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 how to open out holes for a rear spring shackle to remove elongated holes.
| Identifier | ExFiles\Box 83\4\ scan0127 | |
| Date | 22th January 1936 | |
| 56BN{W.O. Bentley / Mr Barrington} 22-1-36 HOLES FOR REAR SPRING SHACKLE OPENED OUT TO REMOVE ELONGATED HOLES .375 DIA .531 DIA .500 DIA .650 DIA NEAR SIDE CHANNEL FB 1490 ROLLS-ROYCE, LTD PRINT ROOM JAN 31 1936 DERBY. | ||