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).
List of experimental parts fitted to chassis 4.EX.
| Identifier | ExFiles\Box 48\3\ Scan015 | |
| Date | 12th December 1920 | |
| R.R. 598A (100 T) (S.H) 189. 11-5-20 G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2800 x4202 To EFC. {E. Fowler Clarke - Electrical Engineer} from RHC. {R. H. Coverley - Production Engineer} c.c. to Ms. RHC {R. H. Coverley - Production Engineer} 4/LG2.12.20. X.3764. RE CHASSIS 4.EX. Will you kindly note, the following experimental parts have been fitted to the above chassis. New Float Chamber N. sch. 504. X.4160. X.3754b. Modified Wiring N. sch. 571 using R.R. X.4173. Distribution Board, R.R. Ignition switch on Instrument X.4186. Board, R.R. switch Board, Klaxon on Steering column, X.4202. Smith dynamo, and Cutout Main switch and Actuator Box X.3660 in series. New Petrol Tank to F.8570 - Petrol Indi- X.3888/9 cator and Reserve Compartment, Petrol Valve F.8645, Side X.4152. Filler F.8551. Indicator Dial F.8555, Special Brackets on Tank to carry number plate. Body arrangement to N. sch. 645 using ½" heater cock and ½" tubing. Spare wheel carrier N. sch. 641. X.4208. Connection on Dash for gauge pipes F.8344. X.3913. Robert Bosch Magneto. X.427. RHC. {R. H. Coverley - Production Engineer} | ||