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).
Requesting blueprints for Phantom III water pump components to test 'Tufnol' as a thrust material.
| Identifier | ExFiles\Box 149a\1\ scan0195 | |
| Date | 25th March 1938 | |
| 1269. HPS{Horace Percy Smith - Experimental Factory Mgr} [crossed out] c. Rm.{William Robotham - Chief Engineer} C. Rm{William Robotham - Chief Engineer}/Std [crossed out] BY/Ald.{F. Allwood - Experimental Design}6/G.25.3.38. PHANTOM 111. WATER PUMP. SECTION 5160. Please receive herewith two blueprints of each of the following :- S.CD.509 Mod. to Water Pump Thrust Screw. Ex.S.633 Rotor Shaft. 1 off. Ex.S.634 End Piece for shaft. 1 off. Ex.S.635 Thrust Screw 1 off. These pieces have been detailed in accordance with Rm{William Robotham - Chief Engineer}/Std.10/AP.22.3.38., and are for the purpose of testing "Tufnol" as a thrust material. Ald{F. Allwood - Experimental Design} [Handwritten] BY/Ald.{F. Allwood - Experimental Design} | ||