Baroscope Small 320×320 Medium 640×640 Large 1024×1024 Download Tiff Original 2400×2400 | (1.0 MB) Description An instrument used for indicating changes in atmospheric pressure. Keywords atmospheric pressure, baroscope, physics Galleries General Physics Source: A. Privat Deschanel Elementary Treatise on Natural Philosophy Part I. Mechanics, Hydrostatics, and Pneumatics (New York: D. Appleton and Company, 1884) 204