An engraving depicting various cantilevers, a long projecting beam or girder fixed at only one end, used in bridge construction, along railway lines. Dated 19th century

- Image ID: RJADXN
An engraving depicting various cantilevers, a long projecting beam or girder fixed at only one end, used in bridge construction, along railway lines. Dated 19th century
World History Archive / Alamy Stock Photo
Image ID: RJADXN