So why doesn't this Wiki like special characters like # and 2.0? Makes creating a useful page title a bit tricky. I'm going to try inserting images and a web link, so see how they look. For conflicting information to answer the question "Who created the metre length?" see these websites: History of the Meter at History of the Metre claims it was Gabriel Mouton. Metrologie Francaise claims it was a Commission.
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