an instrument used for measuring a distance when surveying, called tachymeter
a way of measuring from a distant place
an instrument used as a gauge
an surveying instrument used for measuring angles, called an optical square
an instrument attached to a vehicle used to measure the distance traversed
gauge the instruments
the perspective viewfinder of a device that measures distance
a measuring instrument for measuring the angular distance between celestial objects
an instrument for transmitting the data collected to a distant area
a device for measuring length, called a micrometer