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).
Quotation from Foster Engineering Co. Ltd. for two single-phase oil-cooled transformers.
| Identifier | ExFiles\Box 24\2\ Scan038 | |
| Date | 12th October 1920 | |
| X.1109 FOSTER ENGINEERING CO. LTD. Morden Works, Wimbledon, S.W.19. H.L.B. R.L.B. Q.6367. 12th October, 1920. Messrs. Rolls-Royce Ltd., Nightingale Road, D E R B Y X.1581 X.1109 QUOTATION FROM THE FOSTER ENGINEERING CO. LTD. Two single phase oil cooled Transformers for use on 200 volts 42 periods supply, secon- dary 20,000 volts Output 1 K.V.A. price without oil the sum of Thirty two pounds each nett £32.0.0. ea. nett. Quantity of oil 10 gallons each nett Price of oil 6/- per gallon nett. We should recommend that this Transformer be used with a potentiometer resistance on the low tension circuit so that the high pressure may be applied gradually and without jumps. Time for despatch not guaranteed, but would pro- bably be about 12/14 weeks. OUSE D (18-9-11 50) H SLL (100) YDBE 'N 'R | ||