口径：7cm   高：4.8cm

此炉，底部有三足（亦称鬲炉），底足均匀分布，俗称“铁足”。胎体结实，器形饱满，线条流畅。 此炉，表面和内里系多次施釉，釉层匀称、较厚，釉水滋润，犹如凝脂，表面有开片，深坑沁色自然，精光内蕴。此件官窑三足炉，为祭祀礼器或书房、琴桌焚香所用，系宋代宫廷专用瓷器，身份高贵，烧制工艺复杂，制作精美，在宋代就十分名贵，流传至今。

This furnace has three feet at the bottom, and the bottom foot is evenly distributed, commonly known as "iron foot". The carcass is strong, full of shape and smooth lines. This furnace, the surface and the inner lining are glazed several times. The glaze layer is well-proportioned and thick, and the glaze water is moisturized, just like the gelatin. The surface has open pieces, and the deep pit is natural and intrinsic. This three-legged furnace of the official kiln is used for sacrificial ceremonies or study rooms and piano tables. It is a special porcelain for the Song Dynasty. It has a noble status, complicated firing process and beautiful production. It is very expensive in the Song Dynasty and has been passed down to the present.