QTY. 1. MATERIAL CONTROL INC COMPUTAK MODEL MC 6500 ENGLISH TACHOMETER ADJUSTABLE RPM (ROTATION PER MINUTE)

QTY. 1. MATERIAL CONTROL INC COMPUTAK MODEL MC 6500 ENGLISH TACHOMETER ADJUSTABLE RPM (ROTATION PER MINUTE) RPS (ROTATION PER SECOND) RPH (ROTATION PER HOUR) FPM (FEET PER MINUTE) FPS,(FEET PER SECOND) FPH,( FEET PER HOUR) IPM,(INCHES PER MINUTE) IPS INCHES PER SECOND) IPH (INCHES PER HOUR) YPM,(YARDS PER MINUITE) YPS (YARDS PER SECOND)YPH.(YARDS PER HOUR). .