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 diagram showing measurements from the driver's position for a 5.B.4 Bentley Saloon by Park Ward.
| Identifier | ExFiles\Box 153\2\ scan0287 | |
| Date | 16th April 1937 | |
| ROLLS-ROYCE LTD 16 APR 1937 DERBY 5.B.4 BENTLEY SALOON by PARK WARD HEIGHT OF STEERING WHEEL ABOVE COMPRESSED SEAT 6.000" SCALE 1"=5' DRIVER'S POSITION 58° 34° 1'-8" 1'-3" | ||