Letters: Steam Threshing Memories

I am enclosing a reprint copy of a steam threshing rig and field crew, which involved
my granddad, D.M. Huston, my father, J.J. Huston, and my uncle,
Willis Reed. This rig was before my time, as I was born in 1916.
This was the beginning of a huge threshing run. In later years, I
remember dad bought a 75 hp steamer, and later, a 40-inch-cylinder
Case thresher. He traded the steamer for a 40-72 Case gas tractor,