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).
Letter discussing the practical value and purpose of a cadmium stick.
| Identifier | ExFiles\Box 44\5\ Scan005 | |
| Date | 29th January 1925 guessed | |
| -2- appreciate the value of it, or was it that it was of not much value practically ? Further, we take it that the protection on the cadmium stick is merely for the purpose of preventing contact with the elements, and is not necessary if used intelligently. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||