Photograph showing blowholes on the internal diameter of cast steel main lever housings.
| Identifier | ExFiles\Box 9\5\ 05-page118 | |
| Date | 13th August 1937 guessed | |
| Showing Blowholes on Internal Diameter, many of which break through to the External Surfaces of Casting. GW.1590/1. Main Lever Housings - Cast Steel. | ||
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).