List of experimental parts and modifications fitted to Chassis 58 N A.
| Identifier | ExFiles\Box 20\7\ Scan079 | |
| Date | 7th April 1914 | |
| R.R. 235A (150 H) (V.V. 651 12-3-14) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 0414. COPY. Mr Matthews sheet 19675 of 7.4.14. X.548. Re Chassis 58 N A. {Mr Adams} This Chassis has been fitted with the following Experiments, etc.:- 24° Radiator E4139 Dashboard F4960 Gear Box, fitted with "Skefko Bearings", and Gears 2nd, 3rd and continuous, ground by Reinecker, X420 (1st & reverse gears fellows) Lucas Dynamo & fittings. Undersheet X modified to Mr Day's sheet(12000) X908 Rear Spring Bearings X 946/7. Shock Absorbers with Asbestos Levers X 227. (Signed) A.E.Matthews. MADE AT CROXLEY | ||
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).