Note on a 'B.V. (1st Ripple)' component with a straight front pan and frame thickness.
| Identifier | ExFiles\Box 99\3\ scan0028 | |
| Date | 24th May 1939 | |
| H24. Rm. {William Robotham - Chief Engineer} By {R.W. Bailey - Chief Engineer} /HEB {H. Biraben} -1/WB. {Mr Brazier / Mr Bell} 24-5-39 B.V. (1st Ripple) with Straight Front Pan. Frame .092 thick file 1022. | ||
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).