In days of old, shot for rifles was made in the "Shot Tower." Molten lead was dropped from the top of the tower into a vat of water at the bottom. The lead droplets, like raindrops, would form into perfect spheres, cool and solidify as they fell into the cooling water vat below.
Towers - Misc
Links: www.southbaltimore.com, en.wikipedia.org
By: kjfitz