check the elements in the oven and see if they are broke and grounded to the inside of the unit, if not and you can't see any obvious damage in the control panel , no melted wires etc, pull the range out and check for burnt wires at the terminal connection and check the wall plug. If all looks good, you may want to have the breaker tested, it could just be a failed breaker, it happens. If the breaker turns out to be good then it may be time to replace the unit, it is after all around a 1963 ish model and you would not be able to find replacement parts easily.
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