There's a company which sells something like this, as "Prepper Disk".[1]
In the 1950s, US Civil Defense had a set of microfilms on how to rebuild society. These were packaged with a sunlight reader and stored in larger fallout shelters. Someone should find one of those.
In the 1950s, US Civil Defense had a set of microfilms on how to rebuild society. These were packaged with a sunlight reader and stored in larger fallout shelters. Someone should find one of those.
[1] https://www.prepperdisk.com/