I thought it would be fun to take some pictures when her machine was in a 50% restored stage, so you could see the difference that elbow grease makes. If you want to see details, click to enlarge. If you are curious about techniques, ask away.
Now I'm ready to tackle the next Underwood. A customer has already said she wants it as soon as it's restored. I'm starting to get very familiar with these guys. Removing the carriage for the cleaning routine is a one-minute job for me now ...
Yep, nothing about an Underwood can surprise me anymore, I've seen it a——
It's a mud wasps' nest, cozily ensconced between the type levers. It was almost a shame to destroy it.
Moral: there's always a surprise around the next corner in the world of typewriters!