Two Peg Test
Determine levelling instrument collimation error from two instrument positions
Survey Regulations 1994 | Survey Act Cap 299 | RDM 1.1 (2025)
Staff Readings
Instrument Position 1
Instrument Position 2
Determine levelling instrument collimation error from two instrument positions
Survey Regulations 1994 | Survey Act Cap 299 | RDM 1.1 (2025)