----- Original Message ----- From: "Richard Warren" <[log in to unmask]> > Quarter-track tapes on 1/4-inch tape have such narrow tracks as to be > little better than audiocassettes for longevity and are extremely sensitive > to head alignment and differences between machines. So they are certainly > less reliable than half or full track tapes. I'm not an archivist (though I might qualify considering the stuff I've accumulated)...but I have a fair number of cassettes I taped in the 1980-83 period, and even a few I taped back in 1968 or so (old Philips tapes from when that was all you could buy)...and they are all still playable. Steven C. Barr