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).
Parts and blueprints for the Wraith III Water Pump.
| Identifier | ExFiles\Box 149a\1\ scan0184 | |
| Date | 5th March 1938 | |
| Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/Std. HPS{Horace Percy Smith - Experimental Factory Mgr} 1269 BY/Ald.{F. Allwood - Experimental Design}3/G.5.3.38. WRAITH 111. WATER PUMP. SECTION 5160. Please receive herewith two blueprints of each of the following, together with an extra print of parts marked * :- S.CD.494 Modified Wraith Water Pump. * Ex.S.550 Pump Casing 1 off, replacing EW.1430. * Ex.S.551 " " 1 " " EW.1698. Ex.S.552 Bearing Bush Inner 1 " " E.77243. Ex.S.553 Gland Bush 1 " " E.87043. Ex.S.554 Set Screw 1 " " E.86449 & E.79883. The following additional new part will also be required :- Ex.S.555 Distance Piece 1 off. The above have been detailed in accordance with memo Rm{William Robotham - Chief Engineer}/Std.7/MH.{M. Huckerby}16.2.38. Please instruct 2 sets. Ald{F. Allwood - Experimental Design} BY/Ald.{F. Allwood - Experimental Design} | ||