said grinding wheel means being mounted for rotation about an axis which is inclined at an acute angle to and which diverges from the direction of {HEAD ~ movement} of {TAIL ~ the stock} 
of
said grinding wheel means being mounted for rotation about an axis which is inclined at an acute angle to and which diverges from the direction of { HEAD ~ movement } of { TAIL ~ the stock }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL