View of a worker using an electric machine to draw billet, a semi-finished steel product often transformed into finished products like wire rod, from a re-heating furnace at an unknown manufacturing plant. This photograph is one of a set of seven stereographs detailing the production of steel.
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“Electric Machine Drawing White Hot Billet from Re-Heating Furnace.” Underwood & Underwood, n.d. Underwood & Underwood Stereographs of Manufacturing Industries. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/dn39x152w.
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