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).
Graphical test report for two 'Myth' rear springs manufactured by Toledo Woodhead, showing load versus ride position.
| Identifier | ExFiles\Box 110\3\ scan0079 | |
| Date | 24th April 1941 | |
| TEST OF MYTH REAR SPRINGS (MADE BY TOLEDO WOODHEAD) SPRING NO. 1 MEASURED RATE 152 LB/INCH " FRICTION 60 LB CALCULATED RATE 132 LB/INCH SPRING NO. 2 MEASURED RATE 158 LB/INCH " FRICTION 40 LB FULL LOAD POSITION (COMP'N) LOAD LB. RIDE POSITION TESTS BY Rm{William Robotham - Chief Engineer}/Clm{D. D. Clapham} | ||