BRUCE - I read one of those little filler paragraph articles in the Moline, Ill Dispatch news paper when I was in high school, so fall 1968 to spring of 1972 that said the US was one of only THREE countries in the world that had not adopted the Metric system. The other two were small undeveloped countries, one in Africa, the other in Asia.
Was about 1980 International Harvester started including metric dimensions on prints for new parts. As time was available they added metic dimensions to older prints.
As a Purchasing person for 30 years I dealt with prints for parts all the time. I got so I could deal with centimeters and millimeters as easily as inches and feet.
Probably have as many metric tools as I have SAE. Some stuff has always been metric, like spark plug threads and the shafts of old shaft mount car & truck radios.
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Today's Featured Article - Show Coverage: Journey to Ankeny - by Cindy Ladage. We left Illinois on the first day of July and headed north and west for Ankeny, Iowa. Minus two kids, we traveled light with only the youngest in tow. As long as a pool was at the end of our destination she was easy to please unlike the other two who have a multitude of requirements to travel with mom and dad. Amana Colonies served as a respite where we ate a family style lunch that sustained us with more food than could reasonably fit into our ample physiques. The show at Ankeny
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