Visible file
A visible file, sometimes just called a kardex, after a prominent purveyor, is a filing system for overlapping cards fixed in shallow drawers.
The best-known version was commercialized by Kardex.
Kardex filing cabinets, 20th century
The Library Bureau company commercialized the very similar L. B. Speedac.[1]
Another brand was the Index Visible System.
Notes
- The Magazine of Business 47:294 (1925)
gollark: Why censor the hostname of your VPS anyway? It's not like I used it and an unknown vulnerability in the OVH management system to gain access and install potatOS on it.
gollark: It was just some people waving woggles around.
gollark: I assume it's one of those anomalous VPSes which literally cannot be halted.
gollark: (that is markdown support, yes)
gollark: Did you know? None will be spared.
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