Round three-piece mold for lid of chamber pot, mold casting tool tools base metal bronze, cast turned Round three-piece bronze mold for casting large lid of chamber pot or bedpan Rotterdam tin foundry tin stainer tin Meeuws Druy craft Forms originate from origin 18th century Rotterdam tinnegieter J Druy. The large molds that were not signed or dated were the property of the tinker guild and were rented to the small tin caster.