![Found in bomb shelter. Has a crank and a two prong plug. Connected to a pipe coming from the wall : r/whatisthisthing Found in bomb shelter. Has a crank and a two prong plug. Connected to a pipe coming from the wall : r/whatisthisthing](https://i.redd.it/1zcwn2n43r271.jpg)
Found in bomb shelter. Has a crank and a two prong plug. Connected to a pipe coming from the wall : r/whatisthisthing
![Fallout shelter built adjacent to a home near Akron, Michigan. It has a 10 inch reinforced concrete ceiling with thick earth cover and concrete walls. It includes a special ventilation and escape Fallout shelter built adjacent to a home near Akron, Michigan. It has a 10 inch reinforced concrete ceiling with thick earth cover and concrete walls. It includes a special ventilation and escape](https://c8.alamy.com/comp/KWC4NN/fallout-shelter-built-adjacent-to-a-home-near-akron-michigan-it-has-KWC4NN.jpg)
Fallout shelter built adjacent to a home near Akron, Michigan. It has a 10 inch reinforced concrete ceiling with thick earth cover and concrete walls. It includes a special ventilation and escape
![How To Build A Door-covered Or Pole-covered Trench Shelter For Protection Against Elements, Natural Disasters, And Nuclear Fallout - Geek Slop How To Build A Door-covered Or Pole-covered Trench Shelter For Protection Against Elements, Natural Disasters, And Nuclear Fallout - Geek Slop](https://www.geekslop.com/wp-content/uploads/2023/06/in-ground-trench-shelter-illustration.png)
How To Build A Door-covered Or Pole-covered Trench Shelter For Protection Against Elements, Natural Disasters, And Nuclear Fallout - Geek Slop
![The industrial air ventilation system with supply fan in underground bomb shelter Stock Photo | Adobe Stock The industrial air ventilation system with supply fan in underground bomb shelter Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/37/42/64/1000_F_237426492_na1QU610kXcwGUEYF2Rulav0INsKse5V.jpg)