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).
Drawing of a Marles-Weller J Type steering box, drawing GA 2450, adapted for a Bentley chassis.
| Identifier | ExFiles\Box 28\2\ Scan191 | |
| Date | 19th May 1935 | |
| Ex 11209 32.000 ±25 MIN PERMISSIBLE BORE = .712 1.748 DIA .058R -10 TUBE TO BEM/C TO .874 DIA FOR A DISTANCE OF 4.000 2.700 ±10 3.843 (UNALTERED) LIMITS EXPRESSED IN THOUSANDTHS OF AN INCH MARLES - WELLER STEERING BOX J TYPE DRWG GA 2450 ADAPTED TO BENTLEY CHASSIS 6.100 5.225 ±10 DROP ARM BOSS DROP ARM SUPPLIED BY RR. BORE SERRATED BY MARLES WELLER 1.875 DIA 3.475 DIA +30 .300 ±10 2.050 ±10 FLANGE SUPPLIED AND BRAZED BY MARLES WELLER, DRILLED TO SUIT BY ROLLS-ROYCE ROLLS-ROYCE, LTD PRINT ROOM 19 MAY 1935 DERBY Ex 11209 | ||