After learning the basics of welding from my friend Bob, I needed to decide how to restore a Craftsman Welder. I needed practice.
I mentioned finding two old 20’s-era broadcast receivers in an earlier post. Some months had passed, and restoring the Freshman Masterpiece “5F5” seemed like a fun project and a quick win. The radio was designed to run on two batteries: an “A” or 6-volt battery for the tube filaments and a “B” or 90-volt battery for the plate voltage.
It’s been nearly two years since a pair of classic old shortwave receivers followed me home from California, and they have been staring at me each time I enter the shop ever since. Neither are functional, and both are daunting restoration projects. I wanted to revive some of my old vacuum tube chops and collect some vintage test equipment before diving into these beauties.
Funny how things come full circle. When I was a young electronics experimenter, tube equipment was cheap and solid state devices were expensive and exotic. I could work with low-power diodes and transistors, but to accomplish anything with some power, tube circuits were king.
At least a dozen years ago, I helped my Dad and his wife clear out their home in Colorado in preparation for a move to a smaller home in Southern California. They had been there about 10 years, and had a lifetime of accumulation that included some things from my Dad’s childhood home in Fontenelle, Nebraska. There were tools I remembered from visiting the family farm that had belonged to Gramps, and others my Dad had collected over the years, I was very pleased when I learned that many of them would be going home with me.