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).
Index sheet of archived files, listing subjects, file numbers, and their date ranges.
| Identifier | ExFiles\Box 177\1\ img026 | |
| Date | 1st October 1951 guessed | |
| Sheet 2. FILE NO. | CONTENTS. | SUBJECT. | FROM | TO --- | --- | --- | --- | --- X.4502 | ✓ | Batteries and Lighting | May 1929 | June 1931 X.4510 | | Couplings - Salerni | April 1929 | March 1931 X.4511/19 | ✓ | "Miss Britain III" | June 1929 | Nov. 1933 X.4521 | ✓ | Prince of Wales Car | Nov. 1929 | May 1930 X.4527 | ✓ | Tyre - Miller | Feb. 1922 | March 1922 X.4528 | ✓ | Engines - Coastal Motor Boats | May 1930 | Sept. 1930 X.4544 | | Oscilloscope | Aug. 1922 | March 1928 X.4545/6 | ✓ | Demonstration Car - 20 HP | Sept. 1922 | March 1926 X.4563 | ✓ | Voltmeters | Nov. 1922 | Sept. 1928 X.4565/1 | ✓ | Tyres - Balloon | Nov. 1922 | Dec. 1928 X.4565/2 | ✓ | Tyres - Balloon | Jan. 1927 | Nov. 1928 X.4581/9 | ✓ | Steering - Artillery Wheel etc. | June 1923 | Nov. 1927 X.4584 | | America - 20 HP Car | Jan. 1923 | Sept. 1928 X.4601/3 | ✓ | Tests - 10,000 Miles run 12 BM | Sept. 1923 | July 1925 X.4613 | ✓ | Dashboard and Fittings | July 1923 | Dec. 1930 X.4617 | | Batteries | Nov. 1923 | Jan. 1931 X.4617/A | ✓ | Batteries | Jan. 1924 | March 1930 X.4634 | ✓ | Valves - Steel Silichrome | Oct. 1923 | June 1928 X.4635 | ✓ | Exhaust Pipes | May 1924 | Aug. 1925 X.4645 | ✓ | Magnetos | Jan. 1922 | Feb. 1932 X.4647 | ✓ | Engine - 2 Stroke | July 1924 | Sept. 1924 X.4654 | ✓ | Battery Ignition | April 1924 | Jan. 1931 X.4655 | ✓ | Ignition - Goshawk | Oct. 1919 | Feb. 1933 X.4659 | ✓ | Engine - 6 Cylinder - Kestrel | Jan. 1933 | Aug. 1934 Handwritten notes: X4663 ✓ P.II Specification 23EX - 26 EX | ||