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).
Listing blueprints for a Wraith III water pump with a Tufnol bearing.
| Identifier | ExFiles\Box 149a\1\ scan0224 | |
| Date | 10th May 1938 | |
| 1269. HFS c. Rm{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/Std. BY/Ald.{F. Allwood - Experimental Design}7/G.10.5.38. WRAITH 111 - WATER PUMP. SECTION 5160. Please receive herewith two blueprints (three where marked @) of each of the following drawings :- S.CD.584 Water Pump with Tufnol bearing. Ex.S.720 Thrust Ring. 1 off. Ex.S.721 Bush 1 off. Ex.S.722 Coupling 1 off. @ Ex.S.723 Shaft 1 off. @ Ex.S.724 Rotor 1 off. @ Ex.S.725 Pump Casing. 1 off. These pieces have been produced in accordance with memo Rm{William Robotham - Chief Engineer}/Std/1/MH.{M. Huckerby}5.4.38. in order to test out Tufnol bushes, as a replacement for the ball bearing previously fitted. Will you kindly instruct one set. all BY/Ald.{F. Allwood - Experimental Design} | ||