Does anyone know exactly what this is? It appears to be some kind of a tape drive tester. It has switches for 7 vs 9 track, PE vs NRZ, single or dual gap, six different block sizes, six different speeds, FWD and REV and lots of test points and status indicators. I picked it up in a load of stuff from NASA (first picture). It has three ribbon cables that terminate with sockets for card edge connectors. One is marked "Read", one is marked "Write" and the other is marked "Control" (fourth picture). Here are some pictures: "www.intellistar.net/~rigdonj/misc/tapecase.jpg", "www.intellistar.net/~rigdonj/misc/tape-opn.jpg", "www.intellistar.net/~rigdonj/misc/tape-rt2.jpg", "www.intellistar.net/~rigdonj/misc/tapeconn.jpg", "www.intellistar.net/~rigdonj/misc/tapetst2.jpg". Thanks for your help. Joe