Fundamentals of Plane Surveying |
Contents
Optical surveying instruments | 6 |
Levelling | 26 |
Direct linear measurements | 37 |
Copyright | |
1 other sections not shown
Common terms and phrases
accuracy accurate adjustment allowed angle applied axis base line bearing bubble calculated centre chord circle clamp close collimation condition equation constant correction curve deflection angle departure depends detail deviation difference direction distance elevation equal equations error established face field fixed frequency give given graduations ground hair haul heads height horizontal independent instrument known latitude length line of sight marks mean measured method micrometer minutes moved objective observations obtained optical perpendicular plane plate plotting position precision principle procedure range reading record reduced reference scale screw seconds shown sides similar squares stadia staff standard station survey swing Table taken taking tangent tape telescope temperature theodolite transition traverse triangulation tripod true tube usually vernier vertical volume wave zero