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 costs and functionality for Lucas R.100 headlamps with continental changeover switches.
| Identifier | ExFiles\Box 167\1\ img247 | |
| Date | 4th March 1938 | |
| R.C. 6116 To BY.{R.W. Bailey - Chief Engineer} Rm.{William Robotham - Chief Engineer} BY/RD.1/B.4.3.38. LUCAS R.100 HEADLAMPS. To incorporate the additional reflector in the R.H. Headlamp together with the changeover switch in each headlamp, Messrs. Lucas have quoted the following figures :- Additional Dipper Unit. . . . . . . . . . . . 7.6d. Part cost of special tools . . . . . . . . . . £80.0.0 Changeover Switches . . . . . . . . . . . . 1.6d. per pair. Part cost of tools . . . . . . . . . . . . £45.0.0 After adopting this system, it will allow persons taking cars to the Continent, to change over from L.H. to R.H. dipping, with the use of a screwdriver only. A sample pair of lamps is expected in the course of a few days. BY/RD. | ||