. The Bell System technical journal . --NEGATIVE BINOMIAL 10 20 30 40 50 n = NUMBER OF SIMULTANEOUS CALLS THEORY OBSD ( ) ( ) AVG VAR Pin. 10 20 30 40 50 n = NUMBER OF SIMULTANEOUS CALLS Fig. 33 — Distribution of load offered to crossbar tandem trunks; negative bi-nomial theory versus throwdown observations. 478 THE BELL SYSTEM TECHNICAL JOURNAL, MARCH 1956 Table X — Load Overflowing Crossbar Tandem ,

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1