Reply on topic: Cutter from Robbins Markham tunnel-boring machine. Used in Channel Tunnel Works
https://collection.sciencemuseumgroup.org.uk/objects/co409423/cutting-pick-from-robbins-markham-tunnel-boring-machine-used-in-channel-tunnel-works-uk-marine-running-tunnel-pick-toolReply on topic: Fort Wayne: Deep rock tunnel boring reaches halfway
By the way Adrian, do you know any tunneling project in Germany which uses a Robbins or Akkerman? I don't think anybody does. I cannot blame them. They are doing the right thing f...
cover tunnel photo by: Matt Brown from London, England / CC BY
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