German educational film: daily life and activity in a mill town

This short film depicts the daily life and activity in a German mill town. Their are VS of horses and a horse drawn wagon, men and boys working with the animals, and sifting grain into sacks. LS, windmill. Man and boy arrive with wagon full of grain at the windmill. Sacks of grain are hoisted up into the windmill. The grain is stored inside. VS, the windmill operator demonstrating how to use the mill. He hands cranks the equipment from the outside to get it started, and then climbs inside to get the main mechanism going. INT shots of the windmill at work, a series of interlocking gears, etc. The sacks of grain are opened and poured into the machine to be ground into flour. The worker rebags the flour at the end of the process.The man and his son return to retrieve their milled wheat and to exchange payment. They shake hands The process is complete.