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).
List of principal electrical experimental work in hand, categorised by component and urgency.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan68 | |
| Date | 15th October 1925 | |
| EPC/T15.10.25. PRINCIPAL ELECTRICAL EXPERIMENTAL WORK IN HAND. ORDER OF URGENCY. AMMETER & BATTERY. 1. Elliott Ammeters. 2. Exide batteries with special types of grids. 3. P & R 20 MF batteries - thinner plate sections and one piece six-compartment moulded cell case. 4. Oldham Battery. 5. Fuller, Hart and Lithanode batteries. IGNITION. 1. Finer primary, smaller consumption coils. 2. Coil with inside end of the secondary starting from earth (like the Remy). 3. Remy and R.R. (R.R. awaiting R.{Sir Henry Royce}) coils, with nearly closed magnetic circuit. Contact Breaker & Distributor. 1. Exclusion of crankchamber gases. 2. Improved ventilation and omission of steel washers. Contact points. 1. Larger dia. tungsten points. SPARKING PLUGS. 1. Stainless Steel. Magnetos. (To New PhantomCodename for PHANTOM I type Specification). 1. B.T.H. 2. Lucas. 3. Simms. Contd. | ||