This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.
This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work...
Read More about Practical Tunnelling
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.
This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work...
Read More about Practical Tunnelling
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.
This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work...
Read More about A Treatise on the Principal Mathematical Drawing Instruments Employed by the Engineer, Architect and Surveyor. with a Description of the Theodolite, b
This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not...
Read More about A Treatise on the Principles and Practice of Levelling: Showing Its Application to Purposes of Railw