I would like to know if there is a way to clean tin types. I took mine to Wal Mart 5 min machine and they came off pretty good one came out with a green cast and the other a brown but the people looked pretty good especially since the tins are dark or dark green I was surprised I got a picture. Thanks Linda > Marj-- > What type of photographer is itinerant? I have some tin also. > Ellie >