I have always wanted a compressor to liquefy air. No real good reason, except I thought it would be fun to play with. Every time I go to look, they seem to pric

I have always wanted a compressor to liquefy air. No real good reason, except I thought it would be fun to play with. Every time I go to look, they seem to pricey to justify. I wonder about the fact that Tesla was playing with this stuff back in the 1920s.