Inventor primary source sets Alexander Graham Bell Thomas A. Edison Benjamin Franklin Elias Howe Elisah Graves Otis The Inventive Wright Brothers Inventor image set Books about inventors 1844-1939 Inventor related legislation More inventor primary sources Inventor-related images Books about inventors U.S. legislation related to inventors Invention primary source sets Elevator Ice cream cone Kinetographic camera Photophone Sewing … [Read more...]
Today in History: Alexander Graham Bell
March 10, 2014 by 2 Comments
Today in History–March 10–the Library of Congress features Alexander Graham Bell, who made the first successful telephone call to his assistant Thomas Watson on this date in 1876. An audiologist, speech therapist and teacher of the deaf, Bell's knowledge of the nature of sound likely encourage his experimentation. Another Bell invention was a metal detector, that was created to help save President James A, Garfield. Unfortunately, the attempt to locate the assassin's bullet was unsuccessful. … [Read more...]
Featured Source: 1894 Telephone Lines
December 4, 2013 by 1 Comment
Directory Instructions for placing a telephone call. A careful observance of the following will aid materially in securing good service: To call Central Office, give the bell crank one sharp turn; then take the hand telephone from the hook; place it firmly against the ear and listen for the operator, who should answer, “What number?” Give the operator the number of the station desired and the exchange within which such station is located. For example: “NEW YORK: Cortlandt 1520; … [Read more...]
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