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).
Report card for an 18+50 Bevel Axle with 4'0 pitch, and axle teeth the same length as a 6'3 pitch.
| Identifier | ExFiles\Box 2\6\ B002_X 140 141 157-page022 | |
| Date | 3rd July 1913 | |
| X789 Section 500.X170 Description 18+50. Bevel Axle 4'0 pitch. Axle teeth same length as 6'3 pitch. First Report: Date: 3/7/13 REPORT: Axle. teeth marked & filed. Second Report: Margin Note: 1913 REPORT: 2 pinion wheels & 1 ground centre P.B. main 1649. main & 1714. Third Report: Margin Note: 30/4/14 REPORT: Hill running. axle off 1714. examined & great deft. 1965 1905 long ends sent to Markeaton | ||