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).
Confirming an arrangement to supply a list of insulation materials for car electrical equipment.
| Identifier | ExFiles\Box 24\2\ Scan126 | |
| Date | 8th April 1921 | |
| X1109 To By/WER. from EFC. EFC4/T8.4.21. X.1109 - INSULATION MATERIALS+ X.4165. This is to confirm my assistant's arrangement with you that you will supply us with a list of all the insulations used in making up the Electrical equipment on the car. EFC. | ||