. Radio for everybody; being a popular guide to practical radio-phone reception and transmission and to the dot-and-dash reception and transmission of the radio telegraph, for the layman who wants to apply radio for his pleasure and profit without going into the special theories and the intricacies of the art . work, but they are balky and certainly welloutside of the province of the amateur. For very highvoltages the condenser plates are sometimes immersed inoil to prevent brush discharge. Brush discharge is theleakage of current which takes the form of tiny purplestreamers or sparks about th
. Radio for everybody; being a popular guide to practical radio-phone reception and transmission and to the dot-and-dash reception and transmission of the radio telegraph, for the layman who wants to apply radio for his pleasure and profit without going into the special theories and the intricacies of the art . work, but they are balky and certainly welloutside of the province of the amateur. For very highvoltages the condenser plates are sometimes immersed inoil to prevent brush discharge. Brush discharge is theleakage of current which takes the form of tiny purplestreamers or sparks about the edge or any conductor ofhigh voltage current. For moderate voltage a coating ofparaffin over glass plates, especially at the edges of themetal foil, will satisfactorily reduce brush , however, the amateur is indeed fortunate in thathis condenser problem is solved by purchasing one or theother of the several manufactured condensers which comein compact molded units, or in wooden or metal condenser of suitable size can be obtained in one unitor built up of several units. The transmitting condensers mostly used today are ofthe mica insulated type. These condensers have beenfound to be superior to any other type. Each mica con-denser is composed of several sections or units enclosed. INOiCATINGIMSTRUMCNTa *! MOTOR-GENERATOR•COrsTROLS
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Keywords: ., bookcentury1900, bookdecade1920, bookidradioforever, bookyear1922
