electrotypers

/ɪˈlɛktrəˌtaɪpərz/
noun
  1. People who make metal copies of printing plates or other objects using an electrochemical process.
    • The electrotypers carefully prepared the copper mold for the book's illustrations.
    • The museum hired electrotypers to create exact replicas of ancient coins.
    • In the 19th century, electrotypers were essential workers in the printing industry.