what was this used for?the favorite piqua ware one says sad iron heater.looks the same to me.I had a good weekend hunting out there.I got one of the aboved mentioned a very nice #7 eccentric erie kettle a wagner national #9 and a victor #7 all for under $100.Plus the guy has a few more pieces in his barn.I also saw a #8 flat bottom kettle with lid in extra nice shape for $80 i think ill be going back for.Is that a good price?well thanks everyone.Oh I forgot to mention i also got a Lamb mold from him #866 not a repro too detailed.all of the above and this for under 100.