The tuning knob has a switch, which is turned off. I can get a couple of stations with it on. I only get one when it's off. It switches a 360pf variable cap in and out of circuit. I've been called out before on this, which is why I recently added labels to the switch so it can be clearly seen if it is off or on. 750AM radio has an antenna 4 miles from my house, so that's what overrides everything else. I have an in-home transmitter, so if I'm inside the house, that is the overriding station.

This one is made of Mahogany.

I don't mess with radios, cabinets, or speakers that are in good shape. I will redo them if there are issues, and this one had issues. Patina isn't always a good thing, in this case it wasn't.

@@antiqueradioarcheology-wil8878 Moron

@@antiqueradioarcheology-wil8878 you're worse than Garbage.

I have a couple of radios that are going on 20 years. You have to keep them in climate controlled conditions and most importantly away from direct sunlight.

My experience tells me to never use water based cleaning on old hard rubber... Use plain mineral spirits. Use #0000 steel wool. If really bad, start with 400 grit sandpaper. Finish with 1500 grit buffing pad...

@@RadioHist I've used that method as well. This needed much more aggressive treatment which involved hours of work. I have a hard rubber faceplate I did like this over a decade ago and it still looks like the day I did it. On plates with less UV damage I agree 100 percent with you and will definitely work with mineral spirits.

The coils are located on the backs of the tuning condensers. They are intertwined so even trying to guess turns ratios would be impossible.

@@antiqueradioarcheology-wil8878 Thank you, you can try to measure the value of their inductance, I would be very grateful if you could do this

They were not. I'm just showing the process as sometimes the engraving is no longer viable. The plate on that radio was made from scratch. I don't have engraving equipment so I used dry transfer letters instead.

I've been using an old camera and just got a new one which I haven't tried yet. I hope it does a better job. I do need to work on my video skills. I use those pads because they protect my work bench and absorb liquids. I need to find some that aren't white. Thanks for the observation.

This was a labor of love to say the least. I found the research fascinating, and I really wish I could find his son, though he probably isn't alive. I'm sure he has grandchildren that are, but even finding one interested in radios is a challenge. I did gift a Chelsea Super-Five to the granddaughter of the founder of the Chelsea Radio Company, and I'm working on a set right now that is going to his Great Granddaughter who has taken an interest in that part of her family history as well. It helps that her husband is a HAM operator and experiencing the joy the radio I gifted her mother has brought that family. I will someday delve into the Concert Selector, which also fascinates me. But my biggest dream is to find the Chelsea produced version of this radio to help get the Chelsea Line of radios in my collection closer to completion. I actually have a second Lloyd C. Greene receiver along with the Amplifier. Maybe someone will come along willing to offer a trade.

The crystal is Galena, the wire gauge was 36 which is too thin. It works well, but it's not easy to handle. It's like working with stronger strands of fiberglass, it penetrates the skin real easy. I prefer about 28 gauge.

Just by looking at it and spending many hours adjusting things. I've since acquired another radio, so I have a much better image I could work from but it's no longer an issue as I have this one now.