The body member 32 modifies {TAIL ~ the extending magnetic lines} of force in {HEAD ~ a manner} similar to that illustrated by the prior art of FIG 1b 
The body member 32 modifies { TAIL ~ the extending magnetic lines } of force in { HEAD ~ a manner } similar to that illustrated by the prior art of FIG 1b
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH