beaumontague means A cement used in making joints, filling cracks, etc. For iron, the principal constituents are iron borings and sal ammoniac; for wood, they are white lead or litharge, whiting, and linseed oil. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
Etymology
Said to be from French beau montage, "beautiful face", referring to the appearance of the filled surface. https://books.google.co.uk/books?id=6vA7AwAAQBAJ&pg=PT157&lpg=PT157&dq=%22beau+montage%22
noun
- A cement used in making joints, filling cracks, etc. For iron, the principal constituents are iron borings and sal ammoniac; for wood, they are white lead or litharge, whiting, and linseed oil.