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).
Specifying the quantities of Maconites H.T. Cable required for 20 HP and 40/50 chassis.
| Identifier | ExFiles\Box 168\1\ img017 | |
| Date | 20th March 1926 | |
| X3860 EFC/T20.3.26 X.3860. MACONITE H.T. CABLE. Quantities required :- 18 ft. for 20 HP. chassis 37 ft. for 40/50 chassis. EFC. | ||