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).
The electrical properties and finish of a tested piece of bakelaque compared to other samples.
| Identifier | ExFiles\Box 39\3\ Scan323 | |
| Date | 8th January 1930 guessed | |
| -2- Altogether the piece of bakelaque tested appears to be fairly good electrically, though the general finish is much inferior to the original sample submitted and to the continental bakelite at present in use. RJA. | ||