Finding:

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   Nathan Stubblefield

   It has been claimed that Stubblefield invented the radio before either Nikola Tesla or Guglielmo Marconi, but his devices seem to have worked by audio frequency induction or, later, audio frequency earth conduction (creating disturbances in the near-field region) rather than by radio frequency radiation for radio transmission telecommunications. ... "Kentucky farmer invents wireless telephone", St. Louis Post Dispatch, January 12, 1902
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   Invention of the telephone

   In 1860 Johann Philipp Reis produced a device which could transmit musical notes, and even a lisping sentence or two. ... In June 2002, however, the United States House of Representatives passed a symbolic bill recognizing the contributions of Antonio Meucci "in the invention of the telephone" (not "for the invention of the telephone"), throwing the matter into some controversy.
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   Helene Whitney

   'Helene Whitney' also known as Helene Reynolds (July 4, 1914 – March 28, 1990) was an American actress who appeared in films in the late 1930s and 1940s. ... She was a granddaughter of Alexander Graham Bell, who invented the telephone, and grew up in Washington DC where she attended the National Cathedral School for Girls.
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   Telephone

   Rural and other telephones that were not on a common battery exchange had a magneto or hand-cranked generator to produce a high voltage alternating signal to ring the bells of other telephones on the line and to alert the operator. ... Invention of the telephone
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   Telephone number

   As phone systems have grown and interconnected to encompass the world, telephone numbers have become longer. ... World Telephone Numbering Guide which can be used to lookup telephone numbering information
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   Johann Philipp Reis

   The waves excited in the air by the voice should merely produce corresponding waves in the current. ... If Reis' phone was adjusted so the contact points made a "loose metallic contact", they would function much like the later telephone invented by Berliner or the Hughes microphone, one form of which had iron nails in loose contact.
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   Timeline of the telephone

   1951: Direct Distance Dialing (DDD) first offered at Englewood, New Jersey, to 11 selected major cities across the United States; this service grew rapidly across major cities during the 1950s ... The Parliament of Canada responds by passing a motion unanimously 10 days later recognizing Alexander Graham Bell as the inventor of the telephone.
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   History of the telephone

   Thomas Edison, invented the carbon microphone which produced a strong telephone signal. ... 1667: Robert Hooke invented a string telephone that conveyed sounds over an extended wire by mechanical vibrations.
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   1870s

   The British Empire continued to grow; this decade marked the beginning of the New Imperialism ... The prototype telephone was invented by Alexander Graham Bell in 1876.
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    Reis telephone

    The first practical commercial telephone for transmission of articulate speech was invented by myself. ... It produces weak sound but has good fidelity.

Explore the following pages on Powerset:

• Nathan Stubblefield,
• Invention of the telephone,
• Helene Whitney,
• Telephone,
• Telephone number,
• Johann Philipp Reis,
• Timeline of the telephone,
• History of the telephone,
• 1870s,
• Reis telephone

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