Request to rewind an ignition coil's primary winding with specific wire and turn parameters.
| Identifier | ExFiles\Box 164\5\ img224 | |
| Date | 29th March 1935 | |
| (601) RHC. {R. H. Coverley - Production Engineer} From Hs {Lord Ernest Hives - Chair} /Wst. Hs {Lord Ernest Hives - Chair} /Wst.6/MA.29.3.35. IGNITION COIL TO R.R.Sch.684. Will you please have the primary winding on this coil rewound for us with 375 turns of 21 S.W.G. D.C.C. Superfine wire. Hs {Lord Ernest Hives - Chair} /Wst. | ||
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).