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 from Royce regarding required modifications to tappet springs.
| Identifier | ExFiles\Box 17\6\ Scan059 | |
| Date | 12th October 1928 | |
| POST OFFICE TELEGRAPHS. x7060 Office Stamp: 0145 DERBY 12 OC 28 Time handed in: 11.57 Office of Origin and Service Instructions: CHICHESTER. T: 37 Handwritten date: 12.10/ Handwritten reference: 1.6 + HIVES ROYCAR DERBY = TAPPET SPRINGS NOT AS INTENDED SHORTEN ACTUAL SPRINGS TO OPEN ENDED TYPE TO ABOUT 1.6 FREE LENGTH TO GIVE FIVE POUNDS AT REST MAXIMUM WILL BE SUFFICIENT STOP FOLLOWER SENT NOT REALLY HARD = ROYCE: + | ||