Western Union

built:

• First transcontinental telegraph

  Sources: The Victorian Internet: The Remarkable Story of the Telegraph and the Nineteenth Century’s On-Line Pioneers, Pony Express National Historic Trail: History & Culture

Appears in1 item

• 
  Telegraph to Smartphone1 item
  • The telegraph crosses America · builder24 Oct 1861

Sources

1. BookThe Victorian Internet: The Remarkable Story of the Telegraph and the Nineteenth Century’s On-Line Pioneers
2. WebsitePony Express National Historic Trail: History & Culture