Significados de long-distance lines en inglés

Underground long-distance lines now join or are joining Boston and New York, Philadelphia and New York, Milwaukee and Chicago.

In the mansion that he built at Arden, there were a hundred telephones, sixty of them linked to the long-distance lines.

In this period came the multiple switchboard, copper wire, girl operators, underground cables, metallic circuit, common battery, and the long-distance lines.