IBM typewriting ball element ad
Posted Aug 15, 2023 2 min read
IBM typewriting ball element ad

This wild looking metal ball embossed with letters was the innovation behind the IBM Selectric Typewriter (13m+ sold). Normally people don't care *how* something works, but this mechanism was so unique and interesting looking it because the main highlight of this print ad. You can see a slow-mo gif of it where in milliseconds it:...Read More

More Ways to Read:
📓 Original Deep Dive The full article for those who want to immerse themselves
🧃 Summarize The key takeaways that can be read in under a minute
Sign up to unlock