When did Alexander Graham Bell invent his first invention?

When did Alexander Graham Bell invent his first invention?

Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877. Bell’s success came through his experiments in sound and the furthering of his family’s interest in assisting the deaf with communication.

What did Alexander Graham Bell invent in 1881?

the photophone
Bell and his assistant, Charles Sumner Tainter, developed the photophone using a sensitive selenium crystal and a mirror that would vibrate in response to a sound. In 1881, they successfully sent a photophone message over 200 yards from one building to another.

What year did Alexander Graham Bell invent?

Alexander Graham Bell (March 3, 1847–August 2, 1922) invented the telephone in 1876 when he was just 29 years old.

When did Alexander Graham Bell invent the telephone?

Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877. Bell’s success came through his experiments in sound and the furthering of his family’s interest in assisting the deaf with communication. Sep 9 2019

What are some interesting facts about Alexander Graham Bell?

Alexander Graham Bell was a compulsive inventor. In addition to the telephone, he also worked on metal detectors, phonographs, aerial vehicles, hydroairplanes, a metal jacket to aid breathing, an audiometer to help diagnose minor hearing loss, and an iceberg location device.

What contributions did Alexander Graham Bell make to society?

Alexander Graham Bell Facts. Alexander Graham Bell Facts Alexander Graham Bell (March 3, 1847 to August 2, 1922) was a Scottish researcher and inventor who is best known for his invention, the telephone, despite his numerous other contributions to hearing science and speech pathology.