In 1845, the German engineer Rudolf Eduard Schinz uncovered the principle of pressure measurement via a Bourdon tube somewhat accidentally when he attempted to restore deformed tubes by making use of interior pressure. Rudolf Eduard Schinz recognized that pressurized tubes repeatedly showed precisely the same alter in shape. Sturdy engineering: https://elliottvkykx.blogzet.com/considerations-to-know-about-seismic-pressure-gauge-47900112