My home was built in 1958, I purchased it from the original owners in 2018 who were both still alive at 92yo. Sadly I did not get to meet them as their son moved them to Massachusetts where he lives.
Mr Sherman was an engineer and took exceptional care of this house. I have a bomb shelter in the unfinished portion of my basement and I always wished I would have been able to talk to him about it. I can tell it was professionally built by a skilled mason. Anyway scrolling on FB yesterday this pops up on my feed and it is an exact replica of how my shelter was built.
Being a service Plumber I obviously go in many basements and can count on two hands how many shelters I’ve come across in my 24yrs in the biz, all shelters I have seen have been dug in the ground just outside foundation of the homes