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).
Blueprints for fitting a larger car heater motor to the Wraith III.
| Identifier | ExFiles\Box 137\2\ scan0052 | |
| Date | 31th March 1938 | |
| HPS.{Horace Percy Smith - Experimental Factory Mgr} c. Rm.{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/Std 1158 BY/Ald.{F. Allwood - Experimental Design}1/G.31.3.38. WRAITH III. CAR HEATER. Please receive herewith two blueprints of each of the following :- S.CD.570 Mounting for Larger Car Heater Motor. Ex.S.649 12 Volt Motor. (Provided by Rm{William Robotham - Chief Engineer}/Std.) 1 off. Ex.S.650 Support Plate. 2 off. Ex.S.651 Nut 2 off. Ex.S.652 Distance Piece. The drawings have been provided in accordance with memo Rm{William Robotham - Chief Engineer}/Std.2/AP.26.3.38. and provided means for fitting a larger motor to the Car Heater to D.CD.221. Kindly instruct one set. Ald{F. Allwood - Experimental Design} BY/Ald.{F. Allwood - Experimental Design} | ||