00829cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111050001600130100003200146245010700178260004300285300003600328490005500364500005900419650001500478650001500493710006200508999001700570war11000100 DLC20260227112809.0790919s1911    dcua          000 0 eng    awar11000100   a(OCoLC)5388570  aDLCcMdANdDLC00aTK6421b.S81 aSquier, George Owen,d1865-10aMultiplex telephony and telegraphy,bby means of electric waves guided by wires.cBy George O. Squier.  aWashington,bGovt. Print. Off.,c1911.  a102 p.billus., diagrs.c23 cm.0 aProfessional paper of the Signal Corps, U.S. Army.  aOn verso of t.-p.:  War Department.  Document no. 390. 0aTelephone. 0aTelegraph.1 aUnited States.bArmy.bSignal Corps.tProfessional paper.  c92181d92181