Aperçu gratuit du livre Practical Tunnelling: The Setting Out of the Works, Shaft-Sinking and Heading-Driving, Ranging the Lines and Levelling under Ground, Sub-Excavating, Timbering, and the Construction of the Brickwork of Tunnels
Practical Tunnelling: The Setting Out of the Works, Shaft-Sinking and Heading-Driving, Ranging the Lines and Levelling under Ground, Sub-Excavating, Timbering, and the Construction of the Brickwork of Tunnels