Practical tunnelling: explaining in detail 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; with the amount of labour required for, and the cost of the various portions of, the work: as exemplified by the particulars of Blechingley and Saltwood tunnels. By Frederick Walter Simms 1860 [LeatherBound]
Frederick Walter Simms
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