I don't think it's food grade, the two pedal lookin things seem to hold a glass jar of some sort jar. Possibly oil or something. If it said universal surge or delaval, dairy would fit. But it only says midget. I've never seen any dairy items that say midget.
That could be, midget did make sewing machines. Don't really know anything about sewing machines or what a mister is though. Is there anything similar I can look up?