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).
Notification of blueprints for a new Thrust Screw for the Wraith III Water Pump, which replaces older parts.
| Identifier | ExFiles\Box 149a\1\ scan0179 | |
| Date | 21th February 1938 | |
| c. Rm.{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/Std. BY/Ald.{F. Allwood - Experimental Design}6/G.21.2.38. 1269 WRAITH 111. 26.G.V1. WATER PUMP. SECTION 5160. Please receive herewith two blueprints of the following :- Ex.S.510 Thrust Screw. 1 off. The above piece is detailed in accordance with Rm{William Robotham - Chief Engineer}/Std.7/MH.{M. Huckerby}16.2.38. and replaces the following :- E.79883 Disc. E.79882 Thrust Screw. Kindly instruct one set. Ald{F. Allwood - Experimental Design} BY/Ald.{F. Allwood - Experimental Design} | ||