hitancrias has won.
The Odomiter was created by Archimedes for the Roman Legion so they could properly carry out the Emperors order that \"all Roman roads be marked each mile with a stone of location and distance from Rome.\"
Here is a cookie.
The primal gear is attached to a weel and drives the larger gear clearly seen from the front with a \'single pin\' gear system. The long hand that Efflixi noticed (and some thought was related to a clock) uses the \'single pin\' method to drive the top gear. The final gear (on top) has a series of marbles set in it. When a marble falls you have traveled one mile. The total mileage can be calculated by \'counting your marbles\'.

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I bow out and turn it over to the next Clue Master
PS I would like to know if hitancrias was watching the same TV show I was.
History Channel much?