Past related threads:

The Classic Sunbeam Radiant Control Toaster (2006) - https://news.ycombinator.com/item?id=23723112 - July 2020 (47 comments)

How to design a good toaster with lessons from the 1940s [video] - https://news.ycombinator.com/item?id=23363646 - May 2020 (17 comments)

An Antique Toaster That's Better Than Today’s [video] - https://news.ycombinator.com/item?id=21164014 - Oct 2019 (232 comments)

Also slightly related:

Toaster Central: Antique and Vintage Toasters and Waffle Irons - https://news.ycombinator.com/item?id=21432144 - Nov 2019 (7 comments)