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- Why London Crossrail tunnels had to take into account the curvature of the Earth
Author Topic: Why London Crossrail tunnels had to take into account the curvature of the Earth (Read 3754 times)
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- Omega Owners Forum >
- Chat Area >
- General Discussion Area (Moderator: Kevin Wood) >
- Why London Crossrail tunnels had to take into account the curvature of the Earth