My great-great-great uncle had a steam engine and did custom threshing and silo filling. On one of our farms, there was the remains of the bolt together silo they filled with a stationary chopper/blower and next to it was a big cistern. My great uncle told me that he would dip buckets of water out of the cistern and pour it in a funnel type opening on the side of the blower to add moisture.

They also had a horse powered sweep like mentioned above they used for powering a elevator, a husker shredder, and a stationary hay baler.  I've got some pictures somewhere I'll try to find and post.

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