Blueprint showing a dimensioned lever arm attached to a No. 6 bearing assembly.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan171 | |
| Date | 7th November 1930 | |
| E N°6 BRG 5.260 4.910 3 FT A B C D 6.000" .250" .750" 7.060 8.060 WLB DIMENSIONS MEASURED OFF ARRGT DRG G.53692 ROLLS-ROYCE, LIMITED PRINT ROOM, 7 NOV 1930 | ||
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).