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).
Request to manufacture three pairs of Ph.III Wind-Horn Brackets for specific experimental cars.
| Identifier | ExFiles\Box 59\3\ Scan391 | |
| Date | 14th February 1936 | |
| r6066. To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Wst.16/JH.14.2.36. Ph.III Wind-Horn Brackets. Will you please have made 3 pairs of horn- brackets to D.75415(bracket) D.75416(distance piece) These are for the purposes of 31-EX, 36-EX, and 37-EX. Hs{Lord Ernest Hives - Chair}/Wst. | ||