Pioneer demonstrators hitched five teams of horses to a turnstile attached to a vertical axle. The horses pulled together in a circle creating a literal 10 horsepower.
This entry was posted on September 26, 2013 by John & Lois. It was filed under Pioneer Power .
September 26, 2013 at 4:22 pm
It’s a great document!
September 27, 2013 at 6:03 am
wow… great “old photo”
September 30, 2013 at 7:09 pm
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