Mercury Air-Pump Small 112×320 Medium 225×640 Large 360×1024 Download Tiff Original 843×2400 | (688.6 KB) Description "The letter C marks the point where the vessel to be exhausted is attached." -Century, 1889 Keywords apparatus, chemistry, Level, mercury air pump, mercury air-pump, science Galleries Chemistry Apparatus Source: The Century Dictionary and Cyclopedia (New York, NY: The Century Co., 1889)
