In the manufacture of float glass, a lehr oven is a long kiln with an end-to-end temperature gradient, which is used for annealing newly made glass objects that are transported through …
Lehr may refer to: Lehr (glassmaking), a kiln for annealing glass; Lehr (surname) Lehr, North Dakota, U.S. Lehr Infantry Battalion of the Prussian and Imperial German Armies, 1819–1914; …