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).
Insulation of the primary ignition circuit to prevent fire risk.
| Identifier | ExFiles\Box 26\2\ Scan226 | |
| Date | 8th December 1928 | |
| E.H. 950 e (29 T) (S B. 914. 6-9-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2480 - 2 - E F O DEC 8 1928 RECEIVED, why we did not insulate also the primary circuit of the ignition. A further point in favour of this has just occurred to me, namely, that it would avoid the serious risk of setting fire to the carburettor by sparking at the terminals of the switch such as may be produced by touching these terminals with a spanner or any tool which is at the same time earthed. St.{Capt. P. R. Strong} Sr. Capt Strong MADE AT CROXLEY | ||