Ambient Weather WS-YG709 Galileo Thermometer, Barometer, Hygrometer and Quartz Clock Weather Station (Silver)

Ambient Weather WS-YG709 Galileo Thermometer, Barometer, Hygrometer and Quartz Clock Weather Station (Silver)

Amazon.com Price: $43.49 (as of 04/10/2018 18:22 PST- Details)

The rich, wood framed classic weather station measures temperature (Galileo), barometric pressure (in and mbar), humidity (%) with analog clock
Attached to each bubble is a little metal tag that indicates a temperature. These metal tags are calibrated counterweights. The weight of each tag is slightly different from the others
As the temperature of the air outside the thermometer changes, so does the temperature of the liquid surrounding the bubbles. As the temperature of the liquid changes, it either expands or contracts, thereby changing its density

Description

Note: Barometer only operates to about 3.000′. Do not purchase this unit if you live at or above appx 3.000′ altitude
Size:
Thermometer diameter: 1.4 in.
Instrument diameter: 2.75 in.
Overall Height: 14.5 in.
Details:
Number of glass balls: 7.
The rich, wood framed classic weather station measures temperature (Galileo), barometric pressure (in and mbar), humidity (%) with analog clock
Attached to each bubble is a little metal tag that indicates a temperature. These metal tags are calibrated counterweights. The weight of each tag is slightly different from the others
As the temperature of the air outside the thermometer changes, so does the temperature of the liquid surrounding the bubbles. As the temperature of the liquid changes, it either expands or contracts, thereby changing its density
So, at any given density, some of the bubbles will float and others will sink. The bubble that sinks the most indicates the approximate current temperature
The rich, solid wood framed cherry weather station with lacquer finish measures barometric pressure (in mbar and inHg) and humidity (%). The barometer allows for sea-level calibration up to 3,000 feet