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).
Request to order tin foil and mica plates for making experimental condensers.
| Identifier | ExFiles\Box 52\3\ Scan007 | |
| Date | 5th November 1921 | |
| X.4430. Wd. {Mr Wood / Mr Whitehead} from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 2/T5.11.21. 4430 X.2512 - RE CONDENSERS. Would you kindly order up 6 lbs. of .0005" ' tin foil of the same area as the present standard (.001" thick), for the purpose of making up experimental condensers In connection with this, would you also kindly order up 3,000 plates of mica of .001" thickness (of the same area as present standard which is .002" thick). The mica should be of the same quality as the present standard. EFC. {E. Fowler Clarke - Electrical Engineer} | ||