Conversion table for various units of electrical capacity.
| Identifier | ExFiles\Box 34\1\ Scan270 | |
| Date | 27th September 1921 | |
| X. 2512 27.9.21. X. 2512 - UNITS OF ELECTRICAL CAPACITY. Value in UNIT. | C.G.S.E.M. | Farads. | Microfarads. | C.G.S.E.S. (centimetres). | Micro-micro farads. ---|---|---|---|---|--- C.G.S.E.M. | 1 | 10^9 | 10^15 | 9 x 10^20 | 10^21 Farad. | 10^-9 | 1 | 10^6 | 9 x 10^11 | 10^12 Microfarads. | 10^-15 | 10^-6 | 1 | 9 x 10^5 | 10^6 C.G.S.E.S. (centimetres) | 1.11 x 10^-21 | 1.11 x 10^-12 | 1.11 x 10^-6 | 1 | 1.11 Micro-micro-farad. | 10^-21 | 10^-12 | 10^-6 | .9 | 1 | ||
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).