This antique coil is hard to find. I got the last one sealed in a vacuum can from 1944!! I was lucky to find one.
I couldnt get the mag to ground out. The capacitor was the only thing I could take out and test, so I did. It tested bad so I ordered a new one. When I put the new one in, the mag would ground. I dont know anything about mags, but I fixed that one!
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Yes, 10-357592 has been superseded to 10-400554.