I have one of those. But I don't use it for regular pencils, only drafting pencils. If you know what they are.
Ah, my first programs were written on that type of puppy. Major pain in the butt. Even cards were an improvement. You could easily fix a card, the tape was much harder to fix, and would jam if not done right. With a card take it out and write a new one.Or punched tapeView attachment 249574
Same age as me, same subject back then.OMG! I'd forgotten all about those.
Mechanical Drawing class, Freshman year of High School, 1964.