a tenacious oily substance, drawn chiefly from pines and firs, and used in shipping, medicine, and various arts: or it is more properly tar infusitated by boiling it over a slow fire. See TAR.
Fossil PITCH. See PETROLEUM, MINERALOGY Index.
a tenacious oily substance, drawn chiefly from pines and firs, and used in shipping, medicine, and various arts: or it is more properly tar infusitated by boiling it over a slow fire. See TAR.
Fossil PITCH. See PETROLEUM, MINERALOGY Index.