Today we found two keys. They appear to be from the safty deposit from the sublevels of the company I’m working for. We had a look at the lockers.
They appera to be untouched since 1996. And this is what we discovered inside :
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These are just brand old 1980′s HARD DRIVES. Unfortunatly I don’t have an actual hard drive to compare, but these are really big and heavy. Around 40cm diameter and almost 30cm high for the biggest, estimated at around 40Mb data space :)

Of course, as this is not usable anymore, I decided to take one into pieces :
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