This article comes from a March 1956 edition of Popular Mechanics. You can see a photo of a Zenith Royal 500 and Magnavox AM2 (their first model) branded as a Sentinel.
This article comes from a March 1956 edition of Popular Mechanics. You can see a photo of a Zenith Royal 500 and Magnavox AM2 (their first model) branded as a Sentinel.