Old wires and new waves : The history of the telegraph, telephone, and wireless
This book to the early history of the telegraph, as against the remarkable technical develop ments of the past quarter or half century. May it be suggested that the birth and infancy of ideas are intrinsically more note worthy, more important, than their middle age The centuries of groping for a met...
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New York,London
Appleton-Century company, incorporated,
1936
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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