We’re talking about two different things. The rubber Olivetti buttons under discussion were the ones from the yellow calculator. I’m not sure what kind of swit

We’re talking about two different things. The rubber Olivetti buttons under discussion were the ones from the yellow calculator. I’m not sure what kind of switches were on this typewriter. Anyway, the rest of your comment is in my opinon quite misinformed about typing ergonomics. If you want to have an extended discussion about why offline, shoot me an email.