Nuclear Slide Rules

From the smug vantage point of the early 21st Century, it’s easy to forget that not that long ago the threat of nuclear destruction was a part of everyday life. These radiation monitoring chats were mostly developed in the 1950s and 1960s and are beautiful examples of how to render complex calculations in a meaningful and readable way. Collected together on the Oak Ridge Associated Universities website they are haunting historical record of a time when the fear of a nuclear holocaust was a humdrum part of our grandparents’ lives.