Data transfer apparatus for use with {HEAD ~ tape cartridges} having {TAIL ~ a helical cammed surface and tape cartridges} having cammed surface for use with such data transfer apparatus 
having
Data transfer apparatus for use with { HEAD ~ tape cartridges } having { TAIL ~ a helical cammed surface and tape cartridges } having cammed surface for use with such data transfer apparatus
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH