means for fixedly holding said first and second coil means to {TAIL ~ the muzzle end} of {HEAD ~ said gun tube}, and for orienting said first and second coil means in an orthogonal position to each other 
means for fixedly holding said first and second coil means to { TAIL ~ the muzzle end } of { HEAD ~ said gun tube } , and for orienting said first and second coil means in an orthogonal position to each other
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH