Diamond, Blue Sapphire. Cathedral and tombstone style wooden cabinets were most popular during the s. Auch die Chassis von Zenith haben oft eine Modellnummer, die je nach zustand noch erhalten ist. We can also then work through other models if we find some models for which we have a proof, for instance by an ad or description in a journal. There is no single place to find all this diverse information, but the quest can be an enjoyable pastime in itself. Here are some things to look at: Most radios list various patent numbers.
McDonaldwas a great admirer of advanced technological development and believed that his company's products should include the latest, most practical advances in a well-built product that continued to enhance the company's reputation.
You may need to be creative to identify your radio through these means. Zenith Firearms is an American, family-owned company based in Afton, ia. Speaking of which—if you've tried all these channels and struck out, feel free to send me some email. I know it well, but you are mixing up model Schiffer TR U. Casting Dates for Identification.