High on the mountain is the Statue of Liberty model for 1882 AD (10 o'clock on the time device). (see related question)
A device that tracks movement is a : a) PSS b) PDA c)RFIDtag. d)patientstimulator.
An electric motor is a device that converts electrical energy into mechanical energy to create movement.
A sundial is a device that tracks the movement of the sun by casting a shadow that moves as the Earth rotates.
RFID tag
To view the peak of a nearby mountain, a pair of binoculars would be an ideal optical device. Binoculars provide magnification and depth perception, allowing for a clearer and more detailed view of distant objects. They are portable and easy to use, making them suitable for outdoor exploration. Additionally, their wide field of view helps in tracking movement or appreciating the landscape surrounding the mountain.
That would be a generator.
The device used for measuring ground movement is called a seismometer. It detects and records vibrations caused by seismic waves resulting from earthquakes or other sources of ground movement.
*The control board
simple machine
GPS
A simple machine