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).
Blueprint illustrating various mechanical failures like indents, tears, and cracks on components under load.
| Identifier | ExFiles\Box 92\4\ scan0391 | |
| Date | 13th April 1938 guessed | |
| 1. 2. 3. A.{Mr Adams} INDENTS DUE TO HEAVY BALL LOADING ON UPPER SIDE OF TRACK APPLIED LOAD (BY JACK) E.{Mr Elliott - Chief Engineer} TEAR C. CRACK D.{John DeLooze - Company Secretary} CRACK. B. HEAVY NEEDLE INDENTS | ||