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).
Telegram confirmation regarding a test on piston pin locking screws.
| Identifier | WestWitteringFiles\D\November1919\ Scan5 | |
| Date | 14th November 1919 | |
| CONFIRMATION OF TELEGRAM. 14th November, 1919. R.H. ROYCAR DERBY. ORIGINAL. 3400 HIVES PISTON PIN LOCKING SCREWS TEST WITH ONE ONLY TO ASCERTAIN IF SCREW WEAK OR THE TWO STRAINING AGAINST ONE ANOTHER STOP IF SINGLE ONE BREAKS INCREASE TO OLD DIMENSIONS. ROYCE. | ||