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Found these among some stuff while hunting other things to secure ahead of the storm. Done on the back of "inspection report" forms on a midnight to eight AM shift in a steel mill (late '70's), working as a Non-destructive Test Inspector. Ran an ultrasound unit, only thing to do was wait for an audible alarm to indicate material passing thru had a defect. Plenty of time to doodle.




Hi Guest!
smilie in place of the real @
Pretty Please - add it to our Events forum(s) and add to the calendar! >> 






