Hi Oscar,
I haven't looked at your video yet, but here are a couple of postcards from the period.

I know we have an ashtray from the Mizpah, that mentions "atomic slots". Unfortunately, that's one of the (many) items that I haven't photographed....or, if I have, it's named something like i23687 and doesn't show up in my computer searches

Your mention of Las Vegas turning the testing into publicity reminded me of this photo of "Miss atomic bomb"
(THIS PHOTO DOES NOT BELONG TO US...PLEASE DO NOT USE IT FOR ANYTHING)

While searching the internet for the picture, I found this article...

https://www.mentalfloss.com/article/52631/4-atomic-themed-1950s-beauty-queens