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).
The stoving particulars for treating Wraith battery boxes with Anti-Sulphuric Black Enamel.
Identifier | ExFiles\Box 164\3\ img109 | |
Date | 13th January 1938 | |
To HPB/RH.{R. Hollingworth} c. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} RC{R. Childs} 6021. BY/RD.3/B.13.1.38. WRAITH BATTERY BOXES. We have now received the sample of Anti-Sulphuric Black Enamel, "Armour" Brand, which will permit the battery boxes to be sprayed and stoved. Will you please have two of the six Wraith Battery Boxes duly treated with this. The stoving particulars are as follows :- 220°F.{Mr Friese} for 2 Hrs. 250°F.{Mr Friese} for 40 mins. 350°F.{Mr Friese} for 20 mins. 300°F.{Mr Friese} for 30 mins. BY/RD. | ||