SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Surveying Compass Surveying and Theodolite
Identify Element 4 as shown in the Schematic diagram of the Prismatic compass.
1
Pivot
2
Prism
3
Spring
4
Mirror
Identify Element 4 as shown in the Schematic diagram of the Prismatic compass.