Crossbar Dial Telephone Switching System

• 1 May 1939
• journal article
• Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers
• Vol. 58  (5) , 179-192
• https://doi.org/10.1109/t-aiee.1939.5057947

Abstract

Keywords

• TELEPHONY
• SWITCHING SYSTEMS
• OIL INSULATION
• POWER TRANSFORMER INSULATION
• TELECOMMUNICATION SWITCHING
• MATERIALS TESTING
• SURGES