State Historical Society of Iowa
Courtesy of Library of Congress, Harris & Ewing, "Telephone Operators," between 1914 and 1917
Until the 1960s, telephone companies used manual switchboards to connect calls. Switchboard operators inserted a pair of phone plugs into jacks. In this photograph, which was taken between 1914 and 1917, six female switchboard operators worked to connect people's calls.
Harris & Ewing, "Telephone Operators," between 1914 and 1917. Courtesy of Library of Congress Courtesy of Library of Congress
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