Monday, March 11, 2013

Alexander Graham Bell


Alexander Graham Bell




BELL, Alexander Graham, physicist, born in Edinburgh, Scotland, 3 March 1847. He is a son of Alexander Melville Bell, mentioned below, and was educated at the Edinburgh high school and Edinburgh University, receiving special training in his father's system for removing impediments in speech. He removed to London in 1867, and entered the University there, but left on account of his health, and went to Canada with his father in 1870. In 1872 he took up his residence in the United States, introducing with success his father's system of deaf-mute instruction, and became professor of vocal physiology in Boston University. He had been interested for many years in the transmission of sound by electricity, and had devised many forms of apparatus for the purpose, but the first public exhibition of his invention was at Philadelphia in 1876. Its complete success has made him wealthy.

His invention of the "photophone," in which a vibratory beam of light is substituted for a wire in conveying speech, has also attracted much attention, but has never been practically used. It was first described by him before the American association for the advancement of science in Boston, 27 August 1880.



After the shooting of President Garfield, Professor Bell, together with Sumner Tainter, experimented with a a metal detector, which was an improved form of Hughes's induction balance. They endeavored to find the exact location of the mini-ball, but failed.   It is believed that the metal bed frame on which President Garfield was laying caused the instrument to malfunction.

Professor Bell has put forth the theory that the present system of educating deaf-mutes is wrong, as it tends to restrict them to one another's society, so that marriages between the deaf are common, and therefore the number of deaf-mute children born is on the increase. His latest experiments relate to the recording of speech by means of photographing the vibrations of a jet of water. Many other inventions marked Bell's later life, including groundbreaking work in optical telecommunications, hydrofoils and aeronautics. In 1888, Bell became one of the founding members of the National Geographic Society. He has been described as one of the most influential figures in human history.

Alexander Graham Bell's design sketch of the telephone. Sketches, undated; handwritten text top and bottom of page, 1876. Box 273, "Subject File: The Telephone--Drawing of the Telephone, Bell's Original." Alexander Graham Bell Family Papers, Manuscript Division, Library of Congress.  
Bell died of complications arising from diabetes on August 2, 1922, at his private estate, Beinn Bhreagh, Nova Scotia, at age 75. Bell had also been afflicted with pernicious anemia.





By: Stanley Yavneh Klos
Edited By: Naomi Yavneh Klos, Ph.D.

  • First United American Republic: United Colonies of North America: 13 British Colonies United in Congress was founded by 12 colonies on September 5th, 1774 (Georgia joined in 1775)  and governed through a British Colonial Continental Congress.  Peyton Randolph and George Washington served, respectively, as the Republic's first President and Commander-in-Chief;
  • Second United American Republic: The United States of America: 13 Independent States United in Congress was founded by 12 states on July 2nd, 1776 (New York abstained until July 8th), and governed through the United States Continental CongressJohn Hancock and George Washington served, respectively, as the Republic's first President and Commander-in-Chief; 
  • Third United American Republic: The United States of America: A Perpetual Union was founded by 13 States on March 1st, 1781, with the enactment of the first U.S. Constitution, the Articles of Confederation, and governed through the United States in Congress Assembled.  Samuel Huntington and George Washington served, respectively, as the Republic's first President and Commander-in-Chief; 
  • Fourth United American Republic: The United States of America: We the People  was formed by 11 states on March 4th, 1789 (North Carolina and Rhode Island joined in November 1789 and May 1790, respectively), with the enactment of the U.S. Constitution of 1787. The fourth and current United States Republic governs through  the U.S. House of Representatives and Senate in Congress Assembled, the U.S. President and Commander-in-Chief, and the U.S. Supreme Court.  George Washington served as the Republic's first President and Commander-in-Chief.
Alexander Graham Bell Timeline


Alexander Graham Bell Family Tree from Library of Congress


Alexander Melville Bell with his wife, Eliza Grace Symonds and their children, Melville James, Alexander Graham and Edward Charles. Circa. 1852?  Gilbert H. Grosvenor Collection, Prints and Photographs Division, Library of Congress. 


1847
3-Mar
Alexander Bell is born to Alexander Melville and Eliza Symonds Bell in Edinburgh, Scotland. He is the second of three sons; his siblings are Melville (b. 1845) and Edward (b. 1848). 
1858
Bell adopts the name Graham out of admiration for Alexander Graham, a family friend, and becomes known as Alexander Graham Bell.
1862
October
Bell arrives in London to spend a year with his grandfather, Alexander Bell. Letter to Bell from his father
1863
August
Bell begins teaching music and elocution at Weston House Academy in Elgin, Scotland, and receives instruction in Latin and Greek for a year.

Chart, Circa 1860s  Box 196, "Subject File: The Deaf--Visible Speech--Nature & Uses." Alexander Graham Bell Family Papers, Manuscript Division , Library of Congress

Alexander Graham Bell at the Pemberton Square School in 1871


1864
April
Alexander Melville Bell develops Visible Speech, a kind of universal alphabet that reduces all sounds made by the human voice into a series of symbols. Visible Speech chart
Fall
Bell attends the University of Edinburgh.
1865-66
Bell returns to Elgin to teach and experiments with vowel pitches and tuning forks. Letter from Bell to his father
1866-67
Bell teaches at Somersetshire College in Bath.
1867
17-May
Younger brother Edward Bell dies of tuberculosis at the age of 19.
Summer
Alexander Melville Bell publishes his definitive work on Visible Speech, Visible Speech: The Science of Universal Alphabetics.
1868
21-May
Bell begins teaching speech to the deaf at Susanna Hull's school for deaf children in London. Bell attends University College in London.
1870
28-May
Older brother Melville Bell dies of tuberculosis at the age of 25.
July-August
Bell, his parents, and his sister-in-law, Carrie Bell, emigrate to Canada and settle in Brantford, Ontario.
1871
April
Moving to Boston, Bell begins teaching at the Boston School for Deaf Mutes.
1872
March-June
Bell teaches at the Clarke School for the Deaf in Boston and at the American Asylum for the Deaf in Hartford, Connecticut.
8-Apr
Bell meets Boston attorney Gardiner Greene Hubbard, who will become one of his financial backers and his father-in-law.
Fall
Bell opens his School of Vocal Physiology in Boston and starts experimenting with the multiple telegraph. Brochure for Bell's School of Vocal Physiology




1873
Boston University appoints Bell Professor of Vocal Physiology and Elocution at its School of Oratory. Mabel Hubbard, his future wife, becomes one of his private pupils.
1874
Spring
Bell conducts acoustics experiments at the Massachusetts Institute of Technology. He and Clarence Blake, a Boston ear specialist, begin experimenting with the mechanics of the human ear and the phonautograph, a device that could translate sound vibrations into visible tracings.
Summer
In Brantford, Ontario, Bell first conceives of the idea for the telephone. Bell's original sketch of the telephone Bell meets Thomas Watson, a young electrician who would become his assistant, at Charles Williams's electrician shop in Boston.
1875
January
Watson begins working with Bell more regularly.
February
Thomas Sanders, a wealthy leather merchant whose deaf son studied with Bell, and Gardiner Greene Hubbard enter into a formal partnership with Bell in which they provide financial backing for his inventions.
March 1-2
Bell visits noted scientist Joseph Henry at the Smithsonian Institution and explains to him his idea for the telephone. Henry recognizes the significance of Bell's work and offers him encouragement.
25-Nov
Mabel Hubbard and Bell become engaged to be married. Letter from Bell to Mabel Hubbard Bell
1876
14-Feb
Bell's telephone patent application is filed at the United States Patent Office; Elisha Gray's attorney files a caveat for a telephone just a few hours later.
7-Mar
United States Patent No. 174,465 is officially issued for Bell's telephone.
10-Mar
Intelligible human speech is heard over the telephone for the first time when Bell calls to Watson, "Mr. Watson -- Come here -- I want to see you." Page from Bell's notebook
25-Jun
Bell demonstrates the telephone for Sir William Thomson (Baron Kelvin) and Emperor Pedro II of Brazil at the Centennial Exhibition in Philadelphia. Letter from Bell to Mabel Hubbard Bell
1877
9-Jul
Bell, Gardiner Greene Hubbard, Thomas Sanders, and Thomas Watson form the Bell Telephone Company.
11-Jul
Mabel Hubbard and Bell are married.
4-Aug
Bell and his wife leave for England and remain there for a year.
1878
14-Jan
Bell demonstrates the telephone for Queen Victoria.
8-May
Elsie May Bell, a daughter, is born.
12-Sep
Patent litigation involving the Bell Telephone Company against Western Union Telegraph Company and Elisha Gray begins.
1879
February-March
The Bell Telephone Company merges with the New England Telephone Company to become the National Bell Telephone Company.
10-Nov
Western Union and the National Bell Telephone Company reach a settlement. Newspaper article
Alexander Graham Bell's Telephone Patent Oath, 3/7/1876. Courtesy The National Archives

The telephone had several inventors, all of whom built upon the innovations of their predecessors. Bell's patent No. 174,465 both credited him with the invention of the telephone and created a controversy that continues to provoke historians, scientists, and scholars. This controversy centers on the fact that, on the very day Bell filed his patent application, a caveat for a similar invention was filed by Elisha Gray. The caveat is no longer used today, but at the time it was a preliminary document that would have been filed to describe an invention that would eventually be the subject of a formal patent application.

The key similarity between Bell's patent and Gray's is that each describes a "principle of variable resistance," and details a liquid contact transmitter. Bell used such a liquid transmitter to demonstrate his invention at the 1876 exposition in Philadelphia, held in honor of America's centennial year. He also describes both the transmitter and the "principle of varying resistance" in his patent. This transmitter consists of a diaphragm, a needle, and a small cup of water. The cup of water is able to conduct electricity with the addition of a little acid. Speech is projected on the diaphragm, causing the diaphragm to vibrate. The attached needle is thus caused to vibrate in accordance with the speech. The vibrating action causes the needle to dip in and out of the cut of water, thus varying the resistance of the battery circuit. This variation creates the undulating current necessary for the electrical transmission of articulate speech.

The most serious charge against Bell was leveled after his patent officer admitted to having shown Bell the caveat submitted by Elisha Gray. This caveat described the "principle of variable resistance," which Bell had yet to develop on his own. The evidence suggests that Bell was able to incorporate Gray's principle into his own patent application before filing it: the variable resistance claim is written in on the margin of Bell's original patent application. Though the courts did sustain Bell's claims and named him the rightful inventor of the telephone, the evidence remains and the controversy lives on.

The electromagnetic receiver described by Bell in patent No. 174,465 is essentially the same as the telephone receivers in use today, and this feature is unique to his patent. Bell was accused of stealing Gray's "principle of variable resistance," a principle that was vital to the development of later electrical transmitters of speech. Though liquid is not used in current receivers, the "principle of variable resistance" played (and continues to play) a key role in the success of the telephone. - the Franklin Institute

Bell's Experimental Notebook, 10 March 1876, Box 271, "Subject File: Scientific Notebooks, 1876." Alexander Graham Bell Family Papers, Manuscript Division, Library of Congress.




1880
The National Bell Telephone Company becomes the American Bell Telephone Company.
15-Feb
Marian (Daisy) Bell, a daughter, is born.
Fall
The French government awards the Volta Prize for scientific achievement in electricity to Bell. He uses the prize money to set up the Volta Laboratory as a permanent, self-supporting experimental laboratory devoted to invention.
1881
At the Volta Laboratory, Bell, his cousin, Chichester Bell, and Charles Sumner Tainter invent a wax cylinder for Thomas Edison's phonograph.
July-August
When President Garfield is shot, Bell attempts unsuccessfully to locate the bullet inside his body by using an electromagnetic device called an induction balance.
15-Aug
Death in infancy of Bell's son, Edward (b. 1881).
1882
November
Bell is granted American citizenship.
1883
At Scott Circle in Washington, D.C., Bell starts a day school for deaf children. Bell is elected to the National Academy of Sciences. With Gardiner Greene Hubbard, Bell funds the publication of Science, a journal that would communicate new research to the American scientific community.
17-Nov
Death in infancy of Bell's son, Robert (b. 1883).
1885
3-Mar
The American Telephone & Telegraph Company is formed to manage the expanding long-distance business of the American Bell Telephone Company.
1886
Bell establishes the Volta Bureau as a center for studies on the deaf.
Summer
Bell begins buying land on Cape Breton Island in Nova Scotia. There he eventually builds his summer home, Beinn Bhreagh.



"This model of Bell's first telephone is a duplicate of the instrument through which speech sounds were first transmitted electrically, 1875" on phone. Created/Published between 1915 and 1925. Reproduction Number LC-D420-2586. Detroit Publishing Company,  Prints and Photographs Division, Library of Congress.
Helen Keller, Annie Sullivan and Alexander Graham Bell, full-length portrait, seated outdoors.  Gilbert H. Grosvenor Collection, Prints and Photographs, Library of Congress.
1887
February
Bell meets six-year-old blind and deaf Helen Keller in Washington, D.C. He helps her family find a private teacher by recommending that her father seek help from Michael Anagnos, director of the Perkins Institution for the Blind.
1890
August-September
Bell and his supporters form the American Association to Promote the Teaching of Speech to the Deaf.
27-Dec
 Letter from Mark Twain to Gardiner G. Hubbard, "The Father-in-law of the Telephone"
1892
October
Bell participates in the formal opening of long-distance telephone service between New York and Chicago. Photograph
1897
Death of Gardiner Greene Hubbard; Bell is elected President of the National Geographic Society in his stead.
1898
Bell is elected a Regent of the Smithsonian Institution.



Fourth summer meeting of the American Association for the Promotion of Teaching Speech to the Deaf.  Gilbert H. Grosvenor Collection, Prints and Photographs Division, Library of Congress.   
1899
30-Dec
Acquiring the American Bell Telephone Company's business and property, the American Telephone and Telegraph Company becomes the parent company of the Bell System.
1900
October
Elsie Bell marries Gilbert Grosvenor, the National Geographic Magazine editor.
1901
Winter
Bell invents the tetrahedral kite, whose shape of four triangular sides would prove to be light, strong, and rigid.
1905
April
Daisy Bell marries botanist David Fairchild.
1907
1-Oct
Glenn Curtiss, Thomas Selfridge, Casey Baldwin, J.A.D. McCurdy, and Bell form the Aerial Experiment Association (AEA), which is funded by Mabel Hubbard Bell.
1909
23-Feb
The AEA's Silver Dart makes the first flight of a heavier-than-air machine in Canada.





1915
25-Jan
Bell takes part in the formal opening of the transcontinental telephone line by talking on the telephone in New York to Watson in San Francisco. Invitation from Theodore Vail to Bell
1919
9-Sep
Bell and Casey Baldwin's HD-4, a hydrofoil craft, sets a world marine speed record.
1922
2-Aug
Bell dies and is buried at Beinn Bhreagh, Nova Scotia.



Library of Congress on Bell

The online version of the Alexander Graham Bell Family Papers at the Library of Congress will comprise a selection of approximately 4700 items (totaling about 38,000 images). This second release contains about 4650 items consisting of correspondence, scientific notebooks, journals, blueprints, articles, and photographs documenting Bell's invention of the telephone and his involvement in the first telephone company, his family life, his interest in the education of the deaf, and his aeronautical and other scientific research. Dates span from 1862 to 1939, but the bulk of the materials are from 1865 to 1920. Included among Bell's papers are pages from his experimental notebook from March 10, 1876, describing the first successful experiment with the telephone, during which he spoke through the instrument to his assistant the famous words, "Mr. Watson--Come here--I want to see you." Bell's various roles in life as teacher, inventor, celebrity, and family man are covered extensively in his papers. The digitization of this selection of the Bell Family Papers is made possible through the generous support of the AT&T Foundation.


The Alexander Graham Bell Family Papers: Collection Highlights




  • Letter from Alexander Graham Bell to Mabel Hubbard Bell, 1875 - A month before they became engaged to be married, Alexander Graham Bell wrote Mabel Hubbard this letter, teasing her about her interest in "Woman's Rights": "I never suspected that you were one of these people who think women have rights. Do you actually suppose their wishes are to be considered with the same respect as those of men?" However, Bell may have actually been sympathetic to the women's movement, and he later admitted to Mabel that he wrote the letter because he was "hoping to rouse your indignation to a reply!"

  • Brochure for Alexander Graham Bell's School of Vocal Physiology, 1875 - In 1872 Bell started his School of Vocal Physiology in Boston. His classes were largely based on Visible Speech, an alphabetical system developed by his father in which each symbol represented a position of the mouth when it made a particular sound. Bell taught Visible Speech and articulation to the deaf, individuals with speech difficulties, and teachers of the deaf. This brochure shows the kinds of classes he taught and the rates he charged.

  • Scientific notebook, 1876 - Alexander Graham Bell's notebook entry of 10 March 1876 describes his successful experiment with the telephone. Bell's notes show him speaking through the instrument to his assistant, Thomas A. Watson, in the next room, and uttering these famous words, "Mr. Watson -- Come here -- I want to see you."

  • Petition from Bostonians to Alexander Graham Bell, 1877 - This petition, signed by such notable Bostonians as Oliver Wendell Holmes and Henry Wadsworth Longfellow, requests Alexander Graham Bell to give a public demonstration of the telephone. For months after the issuance of his telephone patent, Bell gave public lectures and demonstrations of his new invention. Such events not only provided him with needed income and increased publicity for the telephone but also helped establish Bell as its legitimate inventor in the face of such rival claimants as Elisha Gray. In his response to this petition, Bell agreed to give a series of three lectures in the Music Hall in Boston, each of which would be "illustrated by the actual transmission of speech and music from cities remote from Boston."

  • Letter from Thomas A. Watson to Alexander Graham Bell, 1878 - While Alexander Graham Bell honeymooned in England with his new wife, his assistant Thomas Watson wrote to him about the progress of the newly-formed Bell Telephone Company, improvements made on the telephone, and developments by rival inventors. In this letter, Watson reports about tests he performed on Thomas Edison's Carbon Telephone. In the last segment of the letter, however, Watson is nostalgic for the days when he worked with Bell on the telephone: "I still retain the experiment room and your room...the wires are still there and it retains something of its old appearance. I shall feel badly when I leave these rooms as I prepare doing soon."

  • Letter from Mr. and Mrs. C.L. Shattuck to Alexander Graham Bell, 1886 - This letter is representative of correspondence written by parents who sought Alexander Graham Bell's assistance and advice for the education of their deaf children. Mr. and Mrs. C. L. Shattuck were anxious that their five-year-old deaf daughter not only attend the proper school but also learn to speak. The letter conveys their concern for their child and their faith in Bell as an "authority in these matters." Later correspondence, written several months later, reveals that Bell actually visited the family and that the little girl was showing progress as a result of his assistance. The Shattucks were extremely grateful to Bell, whose visit allowed them to "see light through what had been great darkness, and hopes yet of a final triumph."

  • Letter from Mark Twain to Gardiner Greene Hubbard, 1890 - In this satirical complaint letter, Twain rails to Bell's father-in-law against the poor telephone service he has received in Hartford, Connecticut. Apparently, there is no night service and Twain is regularly cut off while practicing his cursing. In fact, Twain loved new inventions, as shown by his espousal of the typewriter; it was Twain who submitted the first typed manuscript to a publisher.

  • Letter from Helen Keller to Alexander Graham Bell, 1907 - In January of 1907, Helen Keller was scheduled to speak at a meeting for the blind in New York. Her teacher, Annie Sullivan, was to have repeated the speech for those who found it difficult to understand Keller. When Sullivan suddenly became ill, Keller wired Alexander Graham Bell for help, and he immediately came up from Washington, D.C., to take her teacher's place. In this letter, Keller thanks Bell not only for coming to her rescue but also for his continual support. Ever since meeting Keller in 1887, Bell had served as her advocate and even provided occasional financial assistance. Keller's letter conveys the warm nature of their friendship and her gratitude for all he had done for her throughout her life: "I cherish ever the many tokens of your love."

  • Aerial Experiment Association Photograph of the June Bug, 1908 - The third of four aircraft built by members of the Bell-led Aerial Experiment Association (AEA), the June Bug was designed by AEA member Glenn H. Curtiss. On July 4, 1908, at Hammondsport, New York, Curtiss made the first public flight in the United States of more than one kilometer, winning the Scientific American trophy..

  • Invitation from Theodore Vail and AT&T to Alexander Graham Bell, 1915 - This is an invitation for Alexander Graham Bell to participate in AT&T's formal opening of the transcontinental telephone line on January 25, 1915. The event included a telephone conversation between Bell in New York and his old assistant, Thomas Watson, in San Francisco, as well as speeches by President Woodrow Wilson from the White House and AT&T President Theodore Vail from Georgia. When a duplicate of an 1876 telephone was connected to the New York line, Bell, echoing his famous words on the original occasion, called out, "Mr. Watson, come here, I want you." Watson replied that this time it would take him a week to do so.


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Sept. 5, 1774 to Oct. 24, 1774
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May 10, 1775 to Dec. 12, 1776
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Dec. 20, 1776 to Feb. 27, 1777
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March 4, 1777 to Sept. 18, 1777
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September 27, 1777
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Sept. 30, 1777 to June 27, 1778
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July 2, 1778 to June 21, 1783
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June 30, 1783 to Nov. 4, 1783
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Nov. 26, 1783 to Aug. 19, 1784
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