1985 - Volume #9, Issue #5, Page #10
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Turn Signal For Farm Wagons
Having no way to signal to other drivers which way he was going to turn with his tractor and wagon led John Albion Yearous, of Balaton, Minn., to design a remote control safety light and turn signal system for farm wagons.
It consists of a remote control transmitter (that sits in the tractor or truck cab) and a ..........


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1985 - Volume #9, Issue #5