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).
Status update on the development and testing of various electrical components.
| Identifier | ExFiles\Box 168a\4\ img028 | |
| Date | 5th August 1937 guessed | |
| -2- Ballast resistance. Resistance with "Glowray" instead of nickel wire being developed. Distributor & Governor. Delco new type (A) being tested. 12 units fitted on cars. H.T. Cables. Johnson & Phillips cable to be investigated. Headlamps. R.R. type P.100 lamps being tested. 3 pairs on cars. Foot switch. Lucas switch being tested. Petrol pump switch. Lucas switch being tested. Speedometer and rev-counter. Instruments of AC make being tested. New AT drive being tested. Clock. New type (impulse) A.T. clock being tested. Petrol Gauge meter. Single wire petrol gauge under consideration. Meter with bakelite varnish insulation on test. Instrument lights. Holders to take 3.5 volt screw cap bulbs. being investigated. Horns. W.T.13 type being developed. Relay. Unit with larger contacts to be submitted for test. | ||