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).
Request to replace normal rating front road springs with low rating springs of 750 lbs for a test.
| Identifier | ExFiles\Box 5a\4\ 04-page040 | |
| Date | 19th April 1934 | |
| X5840 WHC. Ha/Les.22/KW.19.4.34. 21-G-IV. Will you please replace the normal rating front road springs by low rating springs, 750 lbs. - For this test the rear springs are to remain normal ratings. Ha/Les.{Ivan A. Leslie} | ||