How to Create a Schematic for a 1920's TRF Radio - World Radio Corporation

What do you do when you don't have a Schematic of the radio you are working on? You create one! We will walk through how to create a signal flow schematic for a 1920's TRF radio. We used a 1925 World Radio Corporation receiver as our case study. You can download the schematic and follow along Here:
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