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Post by Bob Reed on Mar 4, 2024 16:58:39 GMT -5
Thanks...so are the vertical scratches tool marks and not milling marks.... If I go with my finger over that part of the slide I can hardly feel the scratches and the rest feels very smooth.. Correct, the scratches appear to have been done with a hand tool. Milling machine tool marks will be in circular from the round, spinning cutter. I have no doubt that the scratches and area around the proof mark are much smoother in person than they appear in the photos.
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Post by bici on Mar 5, 2024 1:52:47 GMT -5
Then the tool made scratches were done to erase a marking mistake.....
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Post by Bob Reed on Mar 5, 2024 6:55:33 GMT -5
Probably, but what were they so concerned with hiding?
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Post by bici on Mar 5, 2024 8:01:24 GMT -5
That will be a mystery for ever... Unless the factory worker who has done this in 1968 reads this thread and reveals his secret
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