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).
Condition report for a N.S. Rear Spring, detailing the location and length of cracks found in the leaves.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan131 | |
| Date | 22th April 1926 | |
| 10-G-111. N.S. Rear Spring (Firths) to Drg! F.53169 - 900 lbs. Date fitted (in Derby). Date removed. 22.4.26. TOTAL MILEAGE 7526. Leaves. | Condition. | Where cracked, or broken. | Approx. length of crack. 1 top. | Cracked. | 5 3/8" rear of centre bolt, inside. | half way across. 2 | O.K. 3 | O.K. 4 | O.K. 5 | Cracked. | 2 3/8" rear of centre bolt - inside. | Right across. 6 | O.K. 7 | O.K. 8 | O.K. 9 | O.K. 10 | O.K. [Diagram of a spring leaf] rear. front. outside. inside. | ||