View of a worker using an electric capping stick to cap off and cut a cylinder of glass into a flattening length at an unidentified factory. This photograph is one of a set of seven stereographs detailing the production of glass sheets.
“Capping off a Cylinder into Flattening Lengths with Electric Capping Stick.” Underwood & Underwood, n.d. Underwood & Underwood Stereographs of Manufacturing Industries. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/rj4304528.
This citation is automatically generated and may contain errors.