I recently found some ads by General Telephone/Automatic Electric on their carrier/microwave offerings. These ran in the Saturday Evening post circa 1960. General Telephone (later General Telephone & Electronics) was an independent company not affiliated with the Bell System. It bought Automatic Electric Co in the late 1950s. Also owned Sylvania.
1) Saturday Evening Post 8/3/57 pg 65 'on the beam' (also see WU ad pg 80)2) Saturday Evening Post 5/7/60 pg 79 'phoneways in the sky'
4) Saturday Evening Post 7/12/58 pg 74 carrier (also Bell ad on pg 86, WU ad pg 100).
6) Saturday Evening Post 6/4/60 AE story (Wausau Insurance)
You may scroll through the entire issue of all of the above magazines. Interesting ads for televisions, appliances, automobiles, foods, and other consumer products of that era.
Side note: Allis Chalmers had some two-page color ads for power generation and distribution. They may be of interest to readers here: