8 Vintage Dempster Windmill Foundry Sand Cast Wooden Molds Steampunk

This assortment of 8 vintage foundry industrial wood sand casting mold parts came out of the Dempster Windmill factory in Beatrice, Nebraska. They are of various shapes with some having mold number/letter markings and are larger pieces mostly from 5"-8" in size.
The Dempster Mill Manufacturing Company was founded in the 1870's by Charles Dempster. They produced windmills, pitcher and tall well water pumps along with other agricultural related items.