3.16 Billion Cycles – CW&T

A 60 rpm (revolutions per minute) motor drives the entire mechanism. It rotates once every second. The following pulley rotates once every 5 seconds (1:5 ratio). The next rotates once every 60 seconds or 1 minute. Then 5 minutes, 1 hour, 1 day, 1 month, 1 year, and 1 decade. The decade wheel carries…

esther bouquet

Source: 3.16 Billion Cycles – CW&T
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