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).
Confirmation of a wire concerning fitting a turbulent head to a Sixteen-G-Four engine.
| Identifier | ExFiles\Box 103\4\ scan0058 | |
| Date | 29th May 1929 | |
| X 5050 CONFIRMATION OF WIRE. X5050 / X5770 X5040 HIVES. ROYCAR. DERBY. WW. 29. 5. 29. FIT TURBULENT HEAD FOR SIXTEEN-G-FOUR EVEN IF SMALLER BORE BUT SUGGEST THREE POINT TWO WITH THE THREE POINT TWO FIVE PISTONS LIGHTENED AS SUGGESTED. ROYCE. | ||