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).
Confirming the handover of two contact breakers to be fitted with tungsten contacts.
| Identifier | ExFiles\Box 35\5\ scan 037 | |
| Date | 11th June 1918 | |
| To EFC. From RHC.{R. H. Coverley - Production Engineer} RHC{R. H. Coverley - Production Engineer}3/LG11.6.18. 11th. June 1918. X.2894 WALFORD RE - MICANITE CONTACT BREAKER. This is to confirm having handed to you:- 2 Contact Breakers which are to have Tungsten Contacts fitted. RHC.{R. H. Coverley - Production Engineer} RHC{R. H. Coverley - Production Engineer} | ||