1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s
1935
1937
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1936

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Dali creates the Lobster Phone
Dali creates the Lobster Phone
PDF: AT&T Annual Report, 1936
AT&T Annual Report, 1936
Ad: Special Sunday Rates
Special Sunday Rates
Photo: Paris long distance central office
Paris long distance central office
Video: Introduction to the Dial Telephone (AT&T)
Introduction to the Dial Telephone (AT&T)
Speech synthesizing system demoed at Bell Labs
Homer Dudley
PDF: Kellogg 1936 Catalog
Kellogg 1936 Catalog
Ad: Conference calling service
Conference calling service
PDF: Stromberg-Carlson 1936 Catalog
Stromberg-Carlson 1936 Catalog
Ad: British Dictograph
British Dictograph
PDF: The Telephone In America
The Telephone In America