BAKELITE.--A manufactured insulating compound.
B BATTERY.--See Battery B.
BAND, WAVE LENGTH.--See Wave Length Band.
BASKET WOUND COILS.--See Coils, Inductance.
BATTERY, A.--The 6-volt storage battery used to heat the filament of a vacuum tube, detector or amplifier.
BATTERY, B.--The 22-1/2-volt dry cell battery used to energize the plate of a vacuum tube detector or amplifier.
BATTERY, BOOSTER.--This is the battery that is connected in series with the crystal detector.
BATTERY, C.--A small dry cell battery sometimes used to give the grid of a vacuum tube detector a bias potential.
BATTERY, EDISON STORAGE.--A storage battery in which the elements are made of nickel and iron and immersed in an alkaline electrolyte.
BATTERY, LEAD STORAGE.--A storage battery in which the elements are made of lead and immersed in an acid electrolyte.