A furnace used for the annealing of glass.
- They are then gradually cooled in an annealing oven known as a lehr.
- Bowman lehrs can be sourced from factories in Pennsylvania in the USA and the Czech Republic.
- The annealing and decorating lehrs are among the best known products of the company.
Mid 17th century: of unknown origin.
For editors and proofreaders
Line breaks: lehr
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