Revised specification for Unit No. 21, L.H. Chassis 25-EX, detailing changes to servo operating levers.
| Identifier | ExFiles\Box 169\1\ img209 | |
| Date | 25th January 1932 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 4/LS.25.1.32 UNIT NO. 21. (L.H. CHASSIS 25-EX.) Specification of the above Unit is revised as follows. PASSED TO TEST 22.1.32. Previous Specification: Servo Motor Mechn: to LOP. G.75740. Servo Operating Levers 450 Ball Bearing Type Cams-to Drg's Ex.6291-2-3-4. Revised Specification: Servo Motor Mechn: to LOP. G.75740. Servo Operating Levers 350 Ball Bearing Type Cams-to Drg's Ex.7256-7-6293-4 - fitted. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||
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).