A perfect barometer for teachers on a tight budget. Non-mercurial instrument. The 5"-diameter, glass-covered dial is calibrated in inches, centimeters, and millibars of mercury. The pressure range is from 705 mm Hg to 795 mm Hg. Aneroid means that the indicator hand changes position as a result of atmospheric pressure changes on an airtight metal diaphragm. Reference hand is set by a thumbscrew. Instrument will function properly at altitudes up to 5,000 feet. Wall mounting.
Additional ResourcesNo Additional Resources at the time.
Flinn Catalog/Reference Manual Page 1080
Flinn Middle School Catalog/Reference Manual Page 694