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).
Hill climb performance data for a Humber Car loaded with the equivalent of four passengers.
| Identifier | Morton\M4.1\ img019 | |
| Date | 10th December 1930 | |
| -5- Humber Car contd:- Hill Climb loaded to equal 4 passengers:- | Start Time | | 1st. | 2nd. | 3rd. | |--------------|----------|----------|--------------|--------------| | mins. | secs. | M.P.H. | M.P.H. | M.P.H. | | | 30 | 10 | 10 | 10 | | 1 | 0 | 25 | 26 | 26 | | 1 | 30 | 28 | 28.5 | 27.5 | | 1 | 49 | 28 | 29 | 29 | | | | 30 | 1 m.{Mr Moon / Mr Moore} 47 s. | 1 m.{Mr Moon / Mr Moore} 46.5 s. | | | | | 30.5 | 30.5 | ---oOoOoOo--- (Text at bottom, upside down) R.R. 888A (100) (T.S.H. 798. 10-12-30) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2947 | ||