Show Describes Simple Tester Teller for Circuit Continuity I By F E MADDOX I have assembled a very simple t test t outfit made mode up from odds and ends I around the work shop which helps considerably In determining whether purchased parts and laboratory odds and ends are defective or not It has hasal al also o b been n found useful In testing out radIo sets for continuity of cIrcuit circuit testing fixed find and variable condensers n for short circuits jacks and sockets socket for loose connections and transform transform- transformers transformers ers for tor short circuits open circuit circuits I U Una fuses Y I 25 Watt lamp 1 Tit Test terminus Juse use sockets b York Bench BenchAna Ana Test terminals Flexible cord Test Outfit May B Be Mad Made Up From Odds and Ends End FromI I and ground This test unit consists of a watt 25 lamp Inserted In one side of the volt line Une to which are con con- connected connected two awls The test leads are of flexible wire wire- Two fuse sockets and fuses are Inserted ono one In each side of the line at its Input The circuit diagram Is shown In the Illus illus- illustration Illustration The lamp flashes when a circuit Is closed Indicating that the circuit of the unit tested is continuous In testIng test- test testIng Ing lag audio transformers the awl points poInt are touched to the primary posts and It If the secondary side Is momentarIly short circuited a spark discharge may maybe maybe maybe be observed cd at Its terminals |