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2. Pedometer - Wikipedia

   en.wikipedia.org/wiki/Pedometer

   Pedometer. A pedometer, or step-counter, is a device, usually portable and electronic or electromechanical, that counts each step a person takes by detecting the motion of the person's hands or hips. Because the distance of each person's step varies, an informal calibration, performed by the user, is required if presentation of the distance ...

3. Odometer - Wikipedia

   en.wikipedia.org/wiki/Odometer

   Odometer. An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two (electromechanical). The noun derives from ancient Greek ὁδόμετρον, hodómetron, from ὁδός, hodós ("path" or "gateway") and ...

4. Surveyor's wheel - Wikipedia

   en.wikipedia.org/wiki/Surveyor's_wheel

   In the 17th century, the surveyor's wheel was re-introduced and used to measure distances. A single wheel is attached to a handle and the device can be pushed or pulled along by a person walking. Early devices were made of wood and may have had an iron rim to provide strength. The wheels themselves would be made in the same manner as wagon ...

5. Pedobarography - Wikipedia

   en.wikipedia.org/wiki/Pedobarography

   Pedobarography is the study of pressure fields acting between the plantar surface of the foot and a supporting surface. Used most often for biomechanical analysis of gait and posture, pedobarography is employed in a wide range of applications including sports biomechanics and gait biometrics. The term 'pedobarography' is derived from the Latin ...

6. Activity tracker - Wikipedia

   en.wikipedia.org/wiki/Activity_tracker

   Activity tracker. Not to be confused with Activity Monitor (macOS). An activity tracker is an electronic device or app that measures and collects data about an individual's movements and physical responses, towards the goal of monitoring and improving their health, fitness or psychological wellness over time. [1]

7. Mechanical calculator - Wikipedia

   en.wikipedia.org/wiki/Mechanical_calculator

   This picture shows clockwise from top left: An Arithmometer, a Comptometer, a Dalton adding machine, a Sundstrand, and an Odhner Arithmometer. A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or (historically) a simulation such as an analog computer or a ...