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 rear anchorage assembly for a front spring.
| Identifier | ExFiles\Box 16\7\ Scan119 | |
| Date | 30th November 1928 | |
| NSC-2091 ROLLS-ROYCE, LIMITED. PRINT ROOM 30 NOV 1928 DERBY. REAR ANCHORAGE FRONT SPRING SCALE 1/1 SECRET EAC VII .212 .160 MAX. REBOUND NORMAL MAX. BUMP 2 - .375 TAPER BOLTS 4 - .43 TAPER BOLTS 2 - .32 CLEARANCE BOLTS ALM. PACKING 10/11/32 | ||