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).
Bar chart comparing the 'Displacement / Ton Mile' for various closed and open cars.
| Identifier | ExFiles\Box 39\2\ Scan223 | |
| Date | 8th October 1926 guessed | |
| DISPLACEMENT / TON MILE CLOSED CARS CHRYSLER 23/75 - 8260 RENAULT 45 - 7830 BENTLEY 6.5 LITRE - 7500 LINCOLN 5.9 LITRE - 7310 DAIMLER 35 - 6410 PHANTOM R.R. - 6120 20 H.P. R.R - 5360 OPEN CARS PACARD 8 CYL - 8120 117 M.C. 40/50 R.R - 7050 20 H.P. R.R. - 6000 | ||