Code 49

Software / App

An early, stacked barcode designed by David Elay that looked like a bookshelf and was a predecessor to PDF417.

Mentioned in 1 video

Videos Mentioning Code 49

I built a QR code with my bare hands to see how it works

I built a QR code with my bare hands to see how it works

Veritasium

An early, stacked barcode designed by David Elay that looked like a bookshelf and was a predecessor to PDF417.