brunton compass การใช้

A . Well, beyond the fact that they tend to carry hammers, wear railroad engineers'hats and wool shirts and jeans and scuffed boots and carry Brunton compasses, no.
Strike and dip are determined in the field with a compass and clinometer or a combination of the two, such as a Brunton compass named after D . W . Brunton, a Colorado miner.
Some of the tools used to evaluate a beach in the field include : dye ball water tracer for measuring currents such as longshore and especially dangerous rip and tidal currents, Secchi disk for measuring water clarity and visibility, a Brunton compass / clinometer to determine beach slope, field sieve set to determine sand grain size, and a hand lens for mineralogical identification.