First conversation between Havana, Cuba, and Catalina Island by submarine cable, overhead and underground lines and radio telephone-distance 5,500 miles.

 
  • 古巴哈瓦那和卡达琳纳岛之间海底电缆、架空电线、地下电缆和无线电话均首次贯通,全长5,500英里。
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