a weatherman carried an aneroid barometer from the groundfloor to his office atop a tower on the ground level thebarometer read 30150 in hg absolute topside it read 28607 in hgabsolute assum 13031

How to Read a Barometer

Maximum Proteus Aneroid Barometer – Brass Case, Black Dial

Aneroid Barometer: Definition & Uses

how does the aneroid barometer work?what is its construction?  - 24g113dd

Who invented aneroid barometer and in which year? - TimesMojo

United Scientific ANBR01 Aneroid Barometer, 7.5" Overall Diameter