What people are saying - Write a review
We haven't found any reviews in the usual places.
INTRODUCTION 1 Why Study Engineering Surveys?
Uses of Surveys
Factors Controlling Surveys
374 other sections not shown
Other editions - View all
approximate probable error azimuth B.Ms boundaries bubble tube circle clinometer compass computed contour corners curvature curve degree determined difference in elevation dumpy level eliminated engineering Ephemeris errors of adjustment exactly example eyepiece feet long field notes foot footscrews formula frequently graduations ground horizontal cross-hair horizontal distance inch instrument land surveys least count line of sight magnetic bearing magnetic declination measured ment meridian method minutes moved necessary needle readings objective lens observed obtained ordinary parallax plane plate bubbles plumb bob Polaris position precise procedure pull rear tapeman refraction rod reading sag correction scale screws set-up shown in Fig sketch slope stadia stake station steel tape surveyor tangent taping pin target telescope bubble temperature tion township transit transitman traverse triangulation tripod true length true north two-peg test usually vernier vertical angle vertical axis vertical circle vertical cross-hair zero