The Rise and Fall of 3M’s Floppy Disk
Cars That Think
APRIL 2, 2024
A number of years ago, back when I lived in Milwaukee, I found a couple of blank reel-to-reel tapes created by 3M using the Scotch name. I bought them from a junk store, and maybe paid $2 for them. Before World War II, one company did attempt to manufacture a tape recorder in the U.S. based on Pfluemer’s magnetic-tape invention.
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