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).
Specification for H.T. Maconite covered wire.
| Identifier | ExFiles\Box 52\1\ Scan136 | |
| Date | 11th December 1929 | |
| X4473. 11.12.29. X. 3860. SPECIFICATION OF PRESENT STANDARD X. 4473. H.T. MACONITE COVERED WIRE. Conductor - single. 70/.0076 tinned copper. Dielectric - Maconite only. Maximum outside diameter - .275" EFC. {E. Fowler Clarke - Electrical Engineer} | ||