ext_85631 ([identity profile] sbp.livejournal.com) wrote in [personal profile] dubdobdee 2017-01-10 08:58 pm (UTC)

Nah, it's the 32-hole mechanical keycard that was the forerunner to today's electronic ones.

"In 1975 Tor Sørnes invented the VingCard lock, the first known mechanical holecard operated lock. Operated by a plastic key card with a pattern of holes, there were 32 possible hole locations, ... The 32 holes in the key gave 4.3 billion combinations, the same number as the population of the earth at that time"

https://en.wikipedia.org/wiki/VingCard_Elsafe

So iii) TOR SØRNES

Post a comment in response:

This account has disabled anonymous posting.
If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting