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148,767,075 results
how telephone works
history of the mobile phone
who invented cell phone
evolution of the telephone
alexander graham bell biography
alexander graham bell for kids
Watch more Special Features from CNET - http://cnet.co/1KWRlce From simple sounds transmitted down wire to a high-flying ...
302,841 views
8 years ago
About I Didn't Know That: Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday ...
240,409 views
12 years ago
In this video, you will learn, when was the telephone invented? Who invented it? What's the history of telephones? How did ...
34,554 views
2 years ago
Have you ever wondered how your voice can travel thousands of kilometres, instantaneously? The transmission of speech long ...
85,342 views
3 years ago
After much trial and error, Alexander Graham Bell finally invents the first telephone, which eventually replaces the telegraph ...
148,310 views
Who Invented Telephone? | Invention of Telephone | Inventor of Telephone | Story of Telephone | First Telephone | Inventions ...
345,624 views
1 year ago
Evolution of the Landline Telephone 1856 - 2020 #telephone #history #tech This is a quick look at the evolution of the telephone.
1,093,893 views
5 years ago
From the Telegraph's ashes arises its successor; the Telephone. Starting as a modification to the harmonic telegraph, Alexander ...
327,611 views
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The first cell phone was created in 1973. Since then, pretty much everything about it has drastically changed. Here's where "cell" ...
423,468 views
6 years ago
Beginning with its invention in 1876, by Alexander Graham Bell, this film explores the history of the telephone and ...
55,168 views
9 years ago
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This 1940 film – originally titled as "A Continent Is Bridged" – is a dramatized documentary produced in celebration of the 25th ...
50,584 views
The forerunner of the telephone was the telegraph. By 1870 all major towns in Europe and America had telegraphs, sending ...
196,967 views
Alexander Graham Bell - First Phone Call "Here is my voice, Alexander Graham Bell" Alexander Graham Bell (March 3, 1847 ...
104,216 views
Made in 1973 THE FAR SOUND examines how technologies invented at Bell Laboratories and developed by the Bell System and ...
37,480 views
7 years ago
Come and learn all about Alexander Graham Bell for Kids in this this fun historical video. Throughout this video we highlight some ...
154,771 views
A glimpse through time as we watch the telephone evolve from a simple device to a computer that connects the entire world.
22,005 views
From the late 1910s well into the 1980s, telephone networks were dominated by analog, rotary-dial-operated switching systems, ...
159,584 views
8 months ago
Bonus Edition Introduction by George Kupczak of the AT&T Archives and History Center. A non-linear documentary about ...
410,315 views
11 years ago
An educational history of the most iconic and important phones over the the existence of humanity. Starting with the origin of ...
265,811 views
4 years ago
Nakilala natin si Alexander Graham Bell dahil sa kanyang invention na Telephone. Pero alam nyo ba na siya rin ang ...
1,619 views