Punched card
From Just Solve the File Format Problem
It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program. No such program is known to exist yet.
- Aperture card
- Hollerith card
- IBM card
- Jacquard Loom
- Korsakov card
- Mark Sense card
- UNIVAC 90-column card