Aneroid barometer, with Reaumer thermometer

Aneroid barometer, with Reaumer thermometer

8" aneroid barometer. Has a Reaumer centigrade thermometer and Fahrenheit thermometer. No visible makers or manufacturers identification. Aneroid barometers help predict the weather by detecting changes in air pressure. When air pressure is low, bad weather is more likely. Navigational Instrument: aneroid barometer, with Reaumer thermometer Aneroid barometer with Reaumer centigrade thermometer and Fahrenheit thermometer. No visible makers or manufacturers identification.