Miss Toughness = Corona
Agreed, if you are thrown out of a plane eleven thousand times, you are not a weakling. But The Royal Portable already has the prize for bravest typewriter.
For that reason the prize for toughest typewriter goes to the Corona.
Marketers at boxing match
Exactly how tough it is, is shown at a legendary boxing match in 1923: Jack Dempsey against Luis Firpo.
Firpo knocks Dempsey out of the ring and into the press row - on top of a Corona which he subsequently uses as a step to climb back into the ring ... and then wins after all.
The Corona marketers immediately cash in on this with: "Dempsey knocked out Firpo, but he couldn't knock out Corona!"