A drafting instrument designed with two adjustable arms that can be pivoted to draw circles or transfer measurements, commonly used in geometry and technical drawing.
A navigational tool that indicates direction by using the Earth's magnetic field, commonly utilized on ships and in outdoor settings for orientation.
A term that describes the span of a person's stride or the length of their legs, often used to refer to physical attributes related to walking or movement.
A compass that utilizes the principles of a gyroscope to continually align itself with the Earth's rotational forces, providing a reliable navigation reference for vessels without being affected by magnetic fields.
A navigational device that maintains a true north direction by employing a rapidly spinning axis, making it essential for maritime use where accuracy is critical and where magnetic compasses may fail due to interference.
An advanced type of compass designed to automatically adjust its orientation based on the Earth's rotation, enhancing navigational precision in marine environments compared to traditional magnetic compasses.