Corona mills

[Dynachrome]

I've been very satisfied with the Corona mill I've borrowed that has two metal plates with raised bumps. Has anyone ever used one with the stone wheels?

http://cgi.ebay.com/Vintage-Corona-...&otn=2&po=LVI&ps=63&clkid=5181236136550515222

 

[BBBF]

The stone is used to make a finer flour, which isn't what you want for brewing.

 

[Dynachrome]

My ugly junk.