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).
Technical drawing illustrating the distortion and Brinell hardness of a front axle, showing off-side and near-side views.
| Identifier | WestWitteringFiles\N\July1925-September1925\ Scan321 | |
| Date | 29th September 1925 guessed | |
| OFF SIDE NEAR SIDE SHADED PORTION SHOWS WHERE DISTORTION OCCURRED FRONT OF AXLE BRINELL, OFF SIDE. 241, 255, 255. DRAWING CALLS FOR 241 TO 271 VIEW IN DIRECTION OF ARROW 'A' FORWARD TWIST C OF AXLE BRAKE .100 .26' 3.000 3.750 BRINELL, NEAR SIDE 229. DRAWING CALLS FOR 241 TO 271. VIEW IN DIRECTION OF ARROW 'B' FORWARD TWIST EXCESSIVE C OF AXLE BRAKE 4°15' 4°22' .040 3.000 3.750 | ||