Alexander is known as the inventor of the telephone, but is also an outstanding teacher of the deaf, a prolific inventor of other devices, and a leading figure in the scientific community. Bell built many new devices. Among them were the graphophone, which is for recording sound on wax cylinders or disks; a photophone, which is for transmitting speech on a beam of light; an audiometer, which is an aid for the deaf; a telephone probe, which was used in surgery until the discovery of the x-ray; and induction, which is a balance for detecting metal inside the human body.
Bell worked on the transmission of the human voice experimenting with vibrating membranes and an actual human ear. In 1880, the French Government awarded Bell the Volta prize for his achievement in sound technology. Countering with improved transmitters invented by German born American inventor Emile Berliner and Francis Blake; the Bell Company sued Western Union for infringement. The suit was settled in Bell’s favor in 1879.
Bell helped establish the Science magazine and the National Geographic Society. He also invented the tetrahedral kite, which is capable of carrying a human being, Bell also designed a hydrofoil boat that set the world water speed in 1918. Bell built his vacation home for Mabel and him in Baddeck and called it “Beinn Bhreagh” most of his inventing was done here.
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