. The Bell System technical journal . q:<i-I—1<-j _|LJ <a: l-Ld ^ <l- •=• ^^l z. uj IQ- I a. I z!o I Z I L ._J q: <0 D o tfl Ul cc a: UJ z 5 r u Q-UJ LlJ a. z ir UJ LJ r Q M UJ CL 1- CO < 1/1z ii < o IT a < in [£ l/l ^ S ITkJ o < N Q. _l LJ < < lO D UJ o X UJ t- (/I e iS O z O 0) a OJC 3 0)u. C oc 03 53o CO bJO a z LONG DISTANCE CABLE CIRCUIT 583. Fig. 11—Front \ie\v of program repeater and associated regulating^stage. 584 BELL SYSTEM TECHNICAL JOURNAL

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1