Gluepot n. A utensil for melting glue, consisting of an inner pot holding the glue, immersed in an outer one containing water which is heated to soften the glue.
... common glue very little need be said; it should always be prepared in a gluepot or double vessel, to prevent its being burned, which injures it very materially. The chief objection to the use of this contrivance is, that it renders it impossible to heat the glue in the inner vessel to the boiling point; ... — Enquire Within Upon Everything - The Great Victorian Domestic Standby • Anonymous