1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s
1908
1910
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1909

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Kellogg Grabaphone
Kellogg Grabaphone
Kellogg Switchboard and Supply
Strowger Later Model Dial Potbelly
Strowger Later Model Dial Potbelly
Automatic Electric
Two-Box Tandem c1909
Two-Box Tandem c1909
American Electric
Girl on phone
Girl on phone
PDF: AT&T Annual Report, 1909
AT&T Annual Report, 1909
Photo: Lincoln Telephone Office in Nebraska
Lincoln Telephone Office in Nebraska
AT&T buys Western Union controlling interest, gaining access to its network
AT&T buys Western Union controlling interest, gaining access to its network
Photo: Strowger factory
Strowger factory