Unused Hammermill, manufactured by American Pulverizer. Model WC-30-UR-NF, Serial number 8817. Four-armed design, complete with reversible swing-type stirrup hammers, 1045 heat-treated steel hammer shafts, heavy-duty ball bearings, replaceable liners constructed of abrasion-resistant steel and cast manganese, T-1 adjustable breaker plate, non-clogging bottom housing, front and rear inspection ...