50.4 MB (4.1 MB compressed)
4177 x 4214 pixels
35.3 x 35.6 cm ⏐ 13.9 x 14.0 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Bridge foundation caisson. 19th-century illustration of compressed air being used to maintain a watertight environment in a caisson during the excavation of the foundations for a bridge pier. Artwork from 'Chemins de Fer, Automobiles' (1911) by French civil engineer Max de Nansouty (1854-1913), part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier.
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