Chemistry, [8]

Choke coils, [210], [221]

Circuit, A, B, C, [187];
coupled, [115];
defined, [43];
oscillating, [113];
plate, [45];
short, [30];
tune of a, [117]

Condenser, defined, [77];
charging current of, [78];
discharge current of, [80];
impedance of, [135];
theory of, [78];
tuning, [224]

Common battery system, [254]

Connection for wire to radio, [254]

Continuous waves, [86]

Copper, atomic number of, [13]

Copper sulphate, in solution, [21]

Crystals, atomic structure, [147]