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).
Drawing specifying the dimensions and material for a high conductivity annealed copper wire.
| Identifier | ExFiles\Box 168b\2\ img267 | |
| Date | 30th June 1934 | |
| HIGH CONDUCTIVITY COPPER WIRE. TO BE ANNEALED. SECTIONAL AREA .02446" SECTION OF WIRE .150 .200 .025R ROLLS-ROYCE, L'D.{John DeLooze - Company Secretary} PRINT ROOM JUN 30 1934 EL 23. | ||