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LINEAR SURVEYING (EQUIPMENTS USED IN DIRECT MEASUREMENTS (ARROW, RANGING…
LINEAR SURVEYING
EQUIPMENTS USED IN DIRECT MEASUREMENTS
ARROW
RANGING ROD
TAPE
CROSS-STAFF
CHAIN
APPROXIMATE METHOD
PEDOMETER
SPEEDOMETER
MEASURING WHEEL
ODOMETER
PASSOMETER
METHODS
DIRECT MEASUREMENT
TAPE
CLOTH
INVAR - 36% NI,64% STEEL
STEEL
SYNTHETIC
CHAIN
METRIC CHAIN 20m (or) 30 m
GUNTERS CHAIN 66 ft
ENGINEERS CHAIN 100 ft
REVENUE CHAIN 33 ft
INDIRECT MEASUREMENT
OPTICAL MEANS (TELESCOPE)
ELECTRONIC METHODS