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).
Technical note on a simplified design for a switch with solid copper contacts for aircraft use.
| Identifier | ExFiles\Box 168a\2\ img286 | |
| Date | 15th April 1937 | |
| - 2 - HPS.{Horace Percy Smith - Experimental Factory Mgr}2/VS.{J. Vickers}15.4.37. aircraft use, are designed around solid copper contacts of an even simpler nature than those in the modified switch, there is, therefore, every reason to believe that the design without the carbon breaker will be perfectly satisfactory, and merits serious consideration. HPS.{Horace Percy Smith - Experimental Factory Mgr} | ||