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).
Dimensioned body design blueprint for a Humber saloon car.
| Identifier | ExFiles\Box 117\1\ scan0047 | |
| Date | 11th November 1935 guessed | |
| Humber 45 46 1/2 18 53 1/2 14 1/2 14 54 46 cushion 19 1/2 14 39 1/2 13 6 11 3/8 20 27 3/4 37 1/2 13 7/8 12 11 3/4 49 43 28 1/3 37 13 3/4 13 1/4 23 18 5 21 1/2 36 14 33 3/4 x 10 3/8 | ||