astrolabe
azimuth circle
azimuth compass
bevel
bevel protractor
bevel square
clinometer
goniometer
graphometer
pantometer
quadrant
radiogoniometer
sextant
theodolite
transit
transit circle
transit instrument
transit theodolite
drafting instrument
'scope
binocular
fluoroscopic
gyrocompass
landscapist
megapixel
micrometer
straightedge
thruster
whole-tone
retractor