Telegram requesting three 12V Harrison twin flow car heaters by return.
| Identifier | ExFiles\Box 137\1\ scan0246 | |
| Date | 30th January 1937 | |
| 110-8 30.1.37. DELREMYHAT, SOWEST, LONDON. SEND THREE 12.V. HARRISON TWIN FLOW CAR HEATERS BY RETURN OFFICIAL ORDER FOLLOWING. STEADMAN ROYCAR. | ||
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).