navigational instrument
instruments used to ascertain the present position, speed, rotation, ... of a vehicle
compass
instrument used for navigation and orientation
equatorial sextant
navigational instrument
bearing dial
object that the Vikings used for navigation
sextant
angle measurement navigational instrument
chip log
instrument used to measure the speed of a ship at sea
chip log
instrument used to measure the speed of a ship at sea
Jacob's staff
calibrated wooden rod with sliding crosspiece used for measuring the altitude of celestial bodies or the height of distant objects
parallel rulers
drafting instrument used to draw parallel lines
octant
measuring instrument used primarily in navigation; type of reflecting instrument
tachograph
instrument used for controlling the sailing times
range marker
navigational instrument
attitude control
spacecraft component controlling orientation
solar compass
navigational instrument
Backstaff
Navigational instrument
HORTA
underground geographic positioning technology used by the mining industry
sun sensor
spacecraft instrument that senses the direction to the Sun
sounding lead
weight in a graduated line, used for measuring waters' depths
divider caliper
mathematical instrument
Plotter
navigational instrument