Hints on levelling operations
Subtitle: as applied to the reading of distances by the law of perspective, and the saving thereby of chainmen in a level survey : with remarks on the other advantages that can be gained in a survey by adopting this principle in the use of any ordinary levelling telescope and staff
By: by W.H. Wells, C.E.
Publisher: E. & F.N. Spon
Published: 1879
Place of publication: London
Language: eng
Number of pages: 16
Subjects: Leveling; Surveying