Question

2 photo of the barometer..​

Answer 1

Explanation:

A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. These digital barometers are all displaying slightly different readings! The atmosphere is the layers of air wrapped around the Earth.

Answer 2

Two photos of barometer

• one diagram of Fortin Barometer
• another of original photo.

HOPE THIS HELP YOU.