"Plaster block mould" in what

Records 1 to 2 from 2

Per page 163264128

000-180-002-398-C
Mould
used at Prestonpans, East Lothian
© National Museums Scotland

---

000-100-003-357-C
Teapot & mould, made at Prestonpans, East Lothian
© National Museums Scotland

---