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).
Cost savings and methods for lead coating battery boxes.
| Identifier | ExFiles\Box 164\3\ img041 | |
| Date | 6th July 1937 | |
| Rm{William Robotham - Chief Engineer}/Wst. c. HS.{Lord Ernest Hives - Chair} c. EV.{Ivan Evernden - coachwork} c. RHO. 6021 Roy{Sir Henry Royce}/Dn5/ME.6.7.37. BATTERY BOXES. With reference to your Lr{Mr Ellor}/Wst16/AP.14.6.37, regarding the cost of Lead Coating Battery Boxes, if we were to spray internal surfaces only, bringing the deposit over the outside edges approximately 1/8", the saving which can be effected is as follows:- P.III. = 5/6d. Bentley. = 4/6d. 25/30HP. = 4/6d. Against this saving there would, presumably, be the cost of treating the exterior with acid resisting enamel. We have taken up the question of electro deposition of lead, which on investigation some years ago was unsatisfactory, and Messrs. Peto & Radford tell us quite candidly that in their opinion our present method of spraying cannot be improved upon. It is just possible that the boxes can be treated with Ebonite or Rubber and in this connection enquiries are in hand at the moment, details of which will be issued as soon as available. ROY.{Sir Henry Royce} | ||