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).
Required thickness of paper or silk dielectric material for a Goshawk condenser.
| Identifier | ExFiles\Box 52\3\ Scan049 | |
| Date | 29th December 1921 | |
| X4430 Roy {Sir Henry Royce} /Ms. from EFC. {E. Fowler Clarke - Electrical Engineer} c. to BY {R.W. Bailey - Chief Engineer} /WER. EFC {E. Fowler Clarke - Electrical Engineer} 1/LG29.12.21. X.4430 - PAPER OR SILK DIELECTRIC FOR GOSHAWK CONDENSER. Further to our EFC {E. Fowler Clarke - Electrical Engineer} 1/T14.12.21 and our EFC {E. Fowler Clarke - Electrical Engineer} 2/LG17.12.21. We now note that the LeC.1499 assumes the dielectric thickness to be .0015", whereas each of the three proposed dielectrics at present, namely - 1. .002" silk from the Loco Co. 2. .002" paper as in stock. 3. .0019" paper similar to sample submitted by the L.P.S.Co., is practically of .002" thickness. We think we should, in accordance with the LeC., have one alternative at least of .0015" thickness. Would you therefore kindly order a similar quantity of paper or single silk not exceeding .0015" for this purpose. This could, if possible, take the place of the .0019" from the L.P.S.Co. EFC. {E. Fowler Clarke - Electrical Engineer} | ||