Where did this come from

[chatty]

Hello

I found this one, it has no writing on it . I was wondering if anyone knows what this bottle was used for . I will send 2 pic of it Thank you very much
Keith

 

[chatty]

This is the bottom

 

[chatty]

Opps here is the whole bottle

 

[GuntherHess]

Looks like a large chemical bottle. These were often used for disinfectants but could have contained many other things. The cobalt color often indicated that it was poisonous. Would have had a paper label.