Scientific Instruments Part 2

Periscope- An instrument used for enabling persons inside a submarine to see objects above the surface of the water. 

 

Seismograph- An instrument used for detecting earthquakes.

Camera- An instrument used for taking photographs.

 

Speedometer- An instrument used for measuring the speed of a motor car.

 

Metronome- An instrument used for beating time during a musical performance. 

TO BE CONTINUED...