Dubbel
Dubbel stands for:
- the standard work by the engineer Dubbel, the paperback for mechanical engineering, first published in 1914
- a form of bread, see bread and butter
- a type of beer from Belgium, see Belgian beer #Dubbel / Double
Dubbel is the family name of the following people:
- Heinrich Dubbel (1873–1947), German professor of mechanical engineering