Box Tunnel

tunnel, England, United Kingdom

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In Isambard Kingdom Brunel
…notable railway works were the Box Tunnel and the Maidenhead Railway Bridge, and his last were the Chepstow and Saltash (Royal Albert) bridges, all in England. The Maidenhead Railway Bridge had the flattest brick arch in the world. Brunel’s use of a compressed-air caisson to sink the pier foundations for…
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