. Design and performance of magnets in the automatic telephone . (19). —CHRONOGRAPH RECORD--The aooompaning chrono-graph reoord shows the ratio oftime of make and break to thetime of one seoond. The drumon whioh the record was taken in the direction indicatedby the arrow. Length ABW includes threewave3 (on red line) each of whichrepresents a make and a BreakIn an eleotrio circuit, CD inches in length and, at therate of travel of the drum, in -dioates one seoond. AB, there-fore, whioh is in. in lengthis — = a single wave, therefore,thetime of make a
. Design and performance of magnets in the automatic telephone . (19). —CHRONOGRAPH RECORD--The aooompaning chrono-graph reoord shows the ratio oftime of make and break to thetime of one seoond. The drumon whioh the record was taken in the direction indicatedby the arrow. Length ABW includes threewave3 (on red line) each of whichrepresents a make and a BreakIn an eleotrio circuit, CD inches in length and, at therate of travel of the drum, in -dioates one seoond. AB, there-fore, whioh is in. in lengthis — = a single wave, therefore,thetime of make and break is onethird of this period, or _ s is, the time of make andbreak of the oirouit containinga oertain set of magnets seoond. SUMMARY It would seem that a more extensive test of magnets under agreater variety of conditions should be made in order to determinethe best design of magnet for any given oonditions. Determinationsshould be made as to proportion of diameter and length of magnet,and effeot of dimensions upon the i
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1912
