k/archives/hk257.pdf · 2012-03-09 · of 281/2 turns. A ribbed coil form may be employed such that...
4
k/archives/hk257.pdf · 2012-03-09 · of 281/2 turns. A ribbed coil form may be employed such that approxi- mately 7 turns per inch of enameled wire may be employed. The 20 and 40
