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).
Alteration to the Wraith III high engine mounting by increasing the quantity of rubber.
| Identifier | ExFiles\Box 8\7\ 07-page19 | |
| Date | 1st April 1937 | |
| 622. W Rm{William Robotham - Chief Engineer} File [signature] BY.{R.W. Bailey - Chief Engineer} c. HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm.{William Robotham - Chief Engineer} E/JNR.{Charles L. Jenner}1/HP.1.4.37. Wraith III High Engine Mounting. We send you herewith:- LoC.5598 showing an alteration to the nose bearing of the rubber mounting. The quantity of rubber has been increased. The preliminary experiments indicate that this is very necessary. E/JNR.{Charles L. Jenner} | ||