. Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems . Slip Desired Supports Slih-5- hkkk kkkk 4-5-6 7-8-9 10-11-12 SLrS^Z SL-5~>2 I>-|4-I5 SLtSM. Terminal Assembly to Secure Desired Slip Short Mult, J^mp TermSLS

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttelephone, bookyear19