4 ms·
microfiche "With appropriate, difficult to maintain, storage conditions, this film has a life expectancy of ~500 years." https://en.wikipedia.org/wiki/Microfo
by axiolite 4y ago
microfiche
"With appropriate, difficult to maintain, storage conditions, this film has a life expectancy of ~500 years."
https://en.wikipedia.org/wiki/Microform https://en.wikipedia.org/wiki/Microform