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 specifications for ignition cables, lamps, ammeters, batteries, and wiring fittings.
| Identifier | ExFiles\Box 169\1\ img036 | |
| Date | 26th March 1930 | |
| (2) Ignition Cables to L.O.P. E.77671. Cellulose varnished cambric covered maconite ignition wiring. "Butler" Centre Lamp - Chromium Plated, operated by Court Two-way Switch on Footboard. Park Royal Ammeter No.58965. Battery. 1 - 6 Volt P & R.{Sir Henry Royce} Unit. 1 - 6 Volt Exide Unit Type N.S.1. connected with Straight Central Link. Wiring & Fittings to L.O.P. F.79601. D.Sch.713(3 Lamp Scheme) LOP. is modified to suit above scheme. D.72482 Base for Junction Box. D.72497 Base for Accessory Board. D.72546 Chassis Wiring Diagram, shewing Conduits & Cables etc. to suit above scheme. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||