• PART II.

  • Tunnelling with a Rotary Digger.

  • Tunnelling in Water bearing Strata with Compressed Air.

  • Circumventing Difficulties.

  • Erecting Iron Lining in Small Tunnels.

  • Methods of Getting Rid of Water from Completed Tunnels.

  • Gradients.

You do not currently have access to this chapter.
Don't already have an account? Register

Purchased this content as a guest? Enter your email address to restore access.