From Heenan & Froude, Ltd. to Mr. Hayes regarding a car tester.
| Identifier | ExFiles\Box 27a\3\ Scan174 | |
| Date | 18th March 1931 | |
| From HEENAN & FROUDE, Ltd. WORCESTER, Eng. To Mr. Hayes. Subject Car Tester. Our Ref. AW/EG Your Ref. Drg. No. 19502. Date 18/3/31 No. Copies 1 S. 141. | ||
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).