Tuesday, August 25, 2009

Betcha never seen this speedometer and tachograph before


Also using a clock movement, Sangamo made the Tachograph, a device mounted in trucks that charted driving speeds and times so companies could monitor drivers’ activities. http://www.sangamoclocks.com/history.htm

a really early version can be seen here: http://www.sangamoclocks.com/History/f38.jpg

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