Re: Factory welding
Thank you, all of you. Automatic resistance welding was my guess, with nothing to go on. Looking at many of the other welds revealed by stripping the interior demonstrates how much investment was made to make these panels. Each weldment had to have a pair of matching "things" that held the parts next to each other and then jam them together the right distance and the correct amperage for the right time.
Kinda worked to build B-24s some years later, ya think?
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