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).
Graph showing the variation of capacity with temperature for different types of paper condensers.
| Identifier | WestWitteringFiles\K\October1923\ Scan106 | |
| Date | 12th July 1923 guessed | |
| VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS E Nº 30 Nº 30 STANDARD CONDENSER PREVIOUS TO IMPROVEMENTS IN CONNECTIONS MICA 40/50 MICA CONDENSER CAPACITY (MFDS) 2.0 1.8 1.6 1.4 1.2 1.0 | ||