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 parts that can be run for 10,000 miles on a 20 HP car.
| Identifier | ExFiles\Box 57\1\ Scan289 | |
| Date | 26th January 1927 | |
| 26.1.27. The following parts can be usefully run 10,000 miles on 20 HP car :- (1) Cast dash. (2) New petrol tank with reserve. (3) Latest type 'Firths' springs. (4) Low geared axle. (5) Spring loaded cross steering tube. (6) Weaker springs in side " " (7) Artillery wheels. (8) Zenith petrol filter. (9) Hobson petrol gauge. (10) New battery box support. (11) Hydraulic shock dampers all round. (12) Improved undershield. (13) Aluminium induction pipe. (14) Servo plate with springs to give flexibility. (15) Dynamo with 28 slot armature. (16) Solid pole pieces. (17) Charging switch. (18) Double value ballast resistance of the B.type. (19) Maconita H.T. cable. (20) Modified type FO1 Watford magneto with longer cams. (21) Water boiling indicator. --------- Hs. {Lord Ernest Hives - Chair} | ||