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 improvements to car parts, comparing the old type with the new type.
| Identifier | ExFiles\Box 29\2\ Scan006 | |
| Date | 9th March 1914 guessed | |
| S.E. 23a & (10 H) (V.V. 385, 23, 2.14) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 0361. [Left Margin]: X62 M IMPROVEMENTS IN R.R.CARS. Part. Old Type. New Type. Timing gears. Phosphor bronze, and fibre. Helical. Camshaft. Low lift. High lift. Magneto drive. Block type. Tappet guides. Phosphor bronze. Steel. Distributor. Carbon brush. Platinum tips. Magneto wires. Unsupported. Supporting tubes and clips. Clutch fabric. Leather. Cotton. Control. On dashboard. On steering column. Front horns. Bent about 5". Bent about 7". Radiator. Honeycomb type. Carburettor. Single jet. Double jet. Induction pipe. 1 1/4" diameter. 2" diameter. [Faint stamps in center of page: OFFICIAL COPY, 1804, MADE IN GT. BRITAIN (reversed)] | ||