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).
Page 2 of a memorandum advising on the adoption of the U.S. Cartridge matrix and soldering techniques.
| Identifier | ExFiles\Box 149a\3\ scan0063 | |
| Date | 31th August 1923 guessed | |
| Oy7-W-22723 -2- you would be well advised to adopt the U. S. Cartridge matrix. Do not attempt to build it up yourselves, however. We found that the solder formed big blobs on the ends of the copper tubes. The makers, however, make a perfect soldering job. Oy. M.{Mr Moon / Mr Moore} Olley [Watermark: WHITING'S MUTUAL BOND] | ||