A treatise on the principles and practice of levelling, showing its application to purposes of railway engineering and the construction of roads, &c.
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 174
ISBN-13: 9781425513764
Subjects: American history; Technology; History - U.S.; Science/Mathematics; USA; United States - General; History / United States / General; General
First sentence: LEVELLING is the art of tracing a line at the surface of the earth which shall cut the directions of gravity everywhere at right angles.