It seems like most of the collection is post-1960, leaving out many earlier types of media such as the ediphone and graphophone cylinders.
https://obsoletemedia.org/ediphone/
It's also missing a large swath of computer-only things (that have some incidental overlap with what they have) - noticeably backup tapes; I'd expect to see QIC/SLR, for example.
It's also missing a large swath of computer-only things (that have some incidental overlap with what they have) - noticeably backup tapes; I'd expect to see QIC/SLR, for example.