Wall type aneroid barometer in a brass casing with three brackets for screw mounting, its range is 710 to 790 millimeters. It’s manufactured for the Phillipine Islands and all the surface information is in Spanish. The longer of the two brass needles under the glass is the pressure indicatior and …
Wall type aneroid barometer in a brass casing with three brackets for screw mounting, its range is 710 to 790 millimeters. It’s manufactured for the Phillipine Islands and all the surface information is in Spanish. The longer of the two brass needles under the glass is the pressure indicatior and the shorter of the needles is the setting which can be varied manually for purposes of comparison.
