THIS book covers most of the ground relating to telephony from its earliest stages to the present time. It may, indeed, be regarded as a “Short History” of telephony, and, as a matter of fact ...

In 1876 Alexander Graham Bell did so and patented the first telephone. An animation is used to show how electromagnets are used in this invention. The social reasons behind the slow adoption of ...

This system led to the modern elevator system we use today. This invention shows the significant role of black inventors in ...

When Bell and Thomas A. Watson exhibited their telephone at the Centennial Exposition in Philadelphia in 1876, Henry saw to it that the invention received the Certificate of Merit. Even at the ...

Although the telephone is already on this list, the smartphone has driven a revolution in personal, portable computing since its invention in the past few decades. The exact moment when cellphones ...

British merchant Peter Durand made a huge stride in food preservation with his 1810 invention of the can. Canned rations provided to soldiers and explorers saved legions from sure starvation.

The invention of the telephone and how it changed society. videoThe invention of the telephone and how it changed society A description of the major scientific invention of the telephone by ...

Alexander Graham Bell, who was born in Scotland, invented the telephone in 1876. The U.S. government issued patents to him in ...