Garfield County News | 1925-07-31 | Page 2 | Life of Radio Tube is Governed by Use it Gets

life of radio tube Is I 1 governed by use it gets gels the tha life of any radio tube Is SOY gov arned by the use li it receives in the hands of the operator and its existence may be terminated elther either by the me filament burning out aut or a decrease in tho the electronic life of the tube now the burning out of a tube may be caused by excessive filament current or by a short circuit with the B battery or it may naturally burn out of its ita own accord the decrease in ele electronic emission in a tube is caused by excessive filament voltage or excessive B battery voltage the majority of operators of receiving abets can prolong the life of their tubes by burning the as an low as possible and by keeping tho abb ID battery to 00 Q Y volta or leal