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).
Blueprint detailing a crack failure on a Spectre 5 unit after a 20,000-mile road test in France.
| Identifier | ExFiles\Box 91\4\ scan0276 | |
| Date | 5th October 1935 | |
| SPECTRECodename for Phantom III ⑤ Unit AFTER 20,000 MILES ROAD TEST IN FRANCE c 10/35 FAILURE OF LOWER-HALF E86734 4/e 403 ROLLS-ROYCE, LTD PRINT ROOM OCT 5 1935 DERBY. CRACK Approx .750 Long | ||