A very nice IBM 3480 brochure ended up in my hands yesterday and I had to bump it to the top of the scan queue:
https://archive.org/details/IBM3480MagneticTapeSubsystemBrochure Lots of nice shots of IBM data center tape equipment as well as a cool "history of tape at IBM" set of pages. I've never heard of 7340 Hypertape. -j
