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).
Request to rewind the primary winding of an ignition coil for testing purposes.
| Identifier | ExFiles\Box 164\5\ img216 | |
| Date | 25th February 1935 | |
| 86017. RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.9/MA.25.2.35. IGNITION COIL TO R.R.SCH.684. Will you please arrange to rewind the primary winding on the above coil, which we are testing, with 452 turns of standard 22 S.W.G. wire. The iron sheath round the primary shouldbe left out to provide the extra space for the winding whose length should be unaltered from what it is at present. Hs{Lord Ernest Hives - Chair}/Wst. | ||