Elementary and Practical Treatise on Subterraneous Surveying, and the Magnetic Variation of the Needle

""Elementary And Practical Treatise On Subterraneous Surveying: And The Magnetic Variation Of The Needle Also The Method Of Conducting"" is a book written by Thomas Fenwick and published in 1861. The book provides a comprehensive guide to subterranean surveying, including the use of magnetic variation of the needle and the proper methods of conducting surveys. It is intended for those who are interested in exploring underground structures and mapping out their layout. The book covers topics such as the principles of surveying, the use of instruments, and the techniques for measuring angles and distances. It also includes detailed instructions on how to conduct a survey, from setting up the equipment to recording and analyzing the data. The book is written in a clear and concise style, making it accessible to both beginners and experienced surveyors. Overall, ""Elementary And Practical Treatise On Subterraneous Surveying"" is a valuable resource for anyone interested in the field of subterranean surveying and mapping.Also, The Method Of Conducting Subterraneous Surveys Without The Use Of The Magnetic Needle, And Other Modern Improvements.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.