It wasn?t long after Carl Akeley developed the dry-mix process (originally trademarked by the Cement Gun Company as ?gunite?) in the early 1900s that dry-mix started to be used for the fireproofing of mines.
It wasn?t long after Carl Akeley developed the dry-mix process (originally trademarked by the Cement Gun Company as ?gunite?) in the early 1900s that dry-mix started to be used for the fireproofing of mines.