"Well informed people know it is impossible to transmit the voice over wires, and that, were it possible to do so, the thing would be of no practical value." Boston Post editorial, 1865
Alexander Graham Bell - Telegraphy (Telephone) Patent
United States Patent No. 174,465, issued to Alexander Graham Bell in 1876.
USPTOInventive Thinking and Creativity
Inventive Thinking and Creativity: Introduction & Activities Enrichment: Stories about Great Thinkers and InventorsForms to Print Out and Use with Activities
Alexander Graham Bell
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