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).
Alteration notice for the B.80 crankcase and cylinders, specifying the width of camshaft bosses.
| Identifier | ExFiles\Box 132\3\ scan0137 | |
| Date | 10th April 1940 | |
| To RM{William Robotham - Chief Engineer} 134 EB 1117 / 1046 10-4-40 B.80 CRANKCASE AND CYLINDERS SEC 5000 SHEET I ALTERATION. E.B. 5079. WIDTH OF CAMSHAFT BOSSES ADDED. REASON D.O. OMMISSION. R/la{L. A. Archer} N/la{L. A. Archer} | ||