Chicago : Engineering and Contracting Pub. Co. · leaf 268
5—Diagram Showing Method of Char-coaling or Pitting Stumps. der works best when the temperature is about70° F. This powder has more effect when the soilis saturated with water. The wrappers areallowed to remain upon the sticks in wetplaces. The following charges will be found effectiveunder average…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
