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).
Drawing of a Water Pump End Cover and a Union for an interior heater.
| Identifier | ExFiles\Box 137\1\ scan0140 | |
| Date | 28th October 1932 guessed | |
| E.77230 WATER PUMP END COVER. 40/50 HP. E.80405 REPLACED. DRILL .703" DIA: TAP .750" DIA: 20 T.P.I. - R.H. HS{Lord Ernest Hives - Chair} 743 UNION REPLACING PLUG E.82194. 40/50HP PLUG E.50923. 25 HP HS.{Lord Ernest Hives - Chair} 743 TURN .740" DIA: SCREW .750 DIA: 16 T.P.I.-R.H. TURN .740" DIA: SCREW .750" DIA: 20 T.P.I.-R.H. UNDERCUT MATERIAL H.D.B. 2 OFF. WATER CONNECTIONS FOR INTERIOR HEATER. 40/50HP SECTION A.A. 60° .500" .550" .250" .350" 1.060" .919" | ||