General Telephone & Electronics was the largest of the "independent" telephone companies (not associated with the Bell System).
Here are a few of their ads:
1961--chart our own course
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1962 teletype messaging
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1956 public service
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Their subsidiary, Automatic Electric Company, had some neat ads for the P-A-X systems:
1942 minutes saved move munitions
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1953 We encourage people to use _this_ telephone
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