From invention to innovation
Status
Rate
Check Later
Product Links
Authors
Subjects
Places
By the late nineteenth century, American Bell Telephone had expanded its services across much of the United States. Yet transmission was difficult through overhead wires over distances of more than a few hundred miles, and impossible in cables beyond thirty miles. Wasserman studies the inventions and innovations that made extension possible.
Reviews (0) see more
Seems like you haven't provided a review
Don't miss the opportunity to share your thoughts!