1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s
1878
1880
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1879

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1879 Coffin
1879 Coffin
Bell Telephone
American Speaking Telephone Co. magneto phone
American Speaking Telephone Co. magneto phone
American Speaking Telephone Co. Western Union
American Speaking Telephone Co. Phone
American Speaking Telephone Co. Phone
Western Union American Speaking Telephone Co.
Charles Williams Wall Phone
Charles Williams Wall Phone
Charles Williams Jr. Shop Bell Telephone
Early Bell Coffin Phone
Early Bell Coffin Phone
Bell Telephone
Early Charles Williams National Bell Phone
Early Charles Williams National Bell Phone
Charles Williams Jr. Shop Bell Telephone
Early Charles Williams Telephone
Early Charles Williams Telephone
Charles Williams Jr. Shop Bell Telephone
National Bell Wall Phone
National Bell Wall Phone
Charles Williams Jr. Shop Bell Telephone
Thomas Edison Chalk Telephone
Thomas Edison Chalk Telephone
Bell and New England Telephone merge to become National Bell Telephone
Bell and New England Telephone merge to become National Bell Telephone
PDF: Hubbard 1879 report to Bell stockholders and directors
Hubbard 1879 report to Bell stockholders and directors
Bell wins its patent lawsuit against Western Union
Bell wins its patent lawsuit against Western Union
PDF: National Bell April 1879 pricing circular
National Bell April 1879 pricing circular
French Postes & Telegraphs founded
French Postes & Telegraphs founded
Western Union sells its phone network to Bell
Western Union sells its phone network to Bell
Bell acquires Edison's carbon microphone patents from Western Union
Bell acquires Edison's carbon microphone patents from Western Union
Blake and his transmitter join Bell Telephone
Blake and his transmitter join Bell Telephone
Edison establishes Edison Telephone of London to compete with Bell
Thomas Edison