It's hard to imagine a piece of equipment that works harder in tougher conditions than a pavement mill. These tireless machines grind away all day long under load, at times removing more than a foot ...
"Compliments of the Fellows Gear Shaper Co., Springfield, Vermont, U.S.A." https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri ...