https://www.telephonecollectors.info/index.php/browse/document-repository/bruce-crawford-library/automatic-electric/e-and-h-reference-docs/h-610075?format=html Sun, 30 Jun 2013 04:45:14 -0700 en-GB hourly 1 https://www.telephonecollectors.info/index.php/browse/document-repository/bruce-crawford-library/automatic-electric/e-and-h-reference-docs/h-610075/11648-h610075?format=html H610075 Drawing for Trunk Circuit - One Way Outgoing from SX Intertoll Switchtrain or Toll Switchboard arranged for Loop or Battery and Ground Outpulsing

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bruce-crawford-library/automatic-electric/e-and-h-reference-docs/h-610075/11648-h610075?format=html Drawing for Trunk Circuit - One Way Outgoing from SX Intertoll Switchtrain or Toll Switchboard arranged for Loop or Battery and Ground Outpulsing

]]> (Anonymous) H-610075 Sun, 30 Jun 2013 04:45:14 -0700 https://www.telephonecollectors.info/index.php/browse/document-repository/bruce-crawford-library/automatic-electric/e-and-h-reference-docs/h-610075/11649-h610075e?format=html H610075e Explanation of Trunk Circuit - One Way Outgoing from SX Intertoll Switchtrain or Toll Switchboard arranged for Loop or Battery and Ground Outpulsing

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bruce-crawford-library/automatic-electric/e-and-h-reference-docs/h-610075/11649-h610075e?format=html Explanation of Trunk Circuit - One Way Outgoing from SX Intertoll Switchtrain or Toll Switchboard arranged for Loop or Battery and Ground Outpulsing

]]> (Anonymous) H-610075 Sun, 30 Jun 2013 04:45:14 -0700