Wikimedi'Òc

Barometers and the measurement of atmospheric pressure. A pamphlet of information respecting the theory and construction of barometers in general (1941) (20165640840).jpg - Fæ

Barometers and the measurement of atmospheric pressure. A pamphlet of information respecting the theory and construction of barometers in general (1941) (20327453076).jpg - Fæ