'A mercury type of this weather instrument is reliable to within 0.03 inches'
Barometer
MEASURED IN INCHES: A mercury type of this weather instrument is reliable to within 0.03 inches
A mercury type of this weather instrument is reliable to within 0.03 inches
A mercury type of this weather instrument is reliable to within 0.03 inches
MEASURED IN INCHES
Barometer
MEASURED IN INCHES