Air Pump Small 168×320 Medium 335×640 Large 537×1024 Download Tiff Original 1258×2400 | (414.5 KB) Description Sprengel's Air-pump is a glass tube longer than a barometer tube, down which mercury is allowed to fall from the funnel. Keywords air pump, sprengel's air pump Galleries Chemistry Apparatus Source: A. Privat Deschanel Elementary Treatise on Natural Philosophy (New York: D. Appleton and Company, 1884) 194
