System of hexagonal turning plates for parallel tracks and crossed tracks

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Size: 5135px × 3575px
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, age, century, crossed, engraving, hexagonal, invention, mechanical, nineteenth, parallel, plates, print, railroad, rails, railway, steam, system, technology, tracks, turning