TWO HORSE THRESHING JIG 1/12th scale

This was a method still used well into the early 20th century, usually with two Horses harnessed to a rotating shaft which turned a set of gears to increase the speed of the threshing machine. One turn of the horse shaft could result in several hundred turns of the mechanism in the thresher.  The threshing machine is made from various components copying a device I saw in an old B&W photo.  The gears are from an old hand drill and a clock mechanism