Let's Work on a 1937 Grunow Teledial 588! Part 1

Check out this Grunow Teledial model 588 old tube radio from 1937! This is the first part of a playlist. Subscribe for new installments. When I picked this up, the previous owner said it made no sound, although the tubes glowed. Let's begin a careful step by step evaluation of this radio and see if we can safely get it working. In this first part, we give it an initial inspection and check out the transformer as the first steps. See if you can guess what's wrong with this beauty. There is a lot to learn along the way, so let's get started. This was made around the time of the Hindenburg disaster. It's schematic was released about 3 weeks before the crash. References and interesting videos to check out: Grunow and GrunowTeledial brands manufactured by General Household Utilities Co., Chicago, Ill. Closed 1938.Schematic: Grunow Model 588, Chassis 5W, Riders "Page 9-2 Grunow" Handy tube pin-out chart: "Antique Radio Restoration Guide, 2ed", 1992, by David Johnson Excellent discussion of bench safety including Variacs and isolation transformers by Mr Carlson's Lab (highly recommended):   • Tech Tips Tuesday, Isolation Transformer a...   Modification method for a modern commercial Tripp Lite isolation transformer for tech-bench use by Todd Harrison:   • ToddFun.com: Isolation Transformer - Tripp...   Historical time reference for 1937:The Hindenburg disaster film clip, public domain at archive.org Camera: Canon G7X Mark III Mic: Rode Micro Video editing software: Power Director Special thanks to my nephew, D, for editing advice. Remaining clumsiness is my fault.