Third Class Lever Small 320×225 Medium 640×451 Large 1024×721 Download Tiff Original 2400×1690 | (205.0 KB) Description "A Lever of the Third Kind is one in which the power is between the weight and the fulcrum." —Quackenbos 1859 Keywords class, fulcrum, kind, lever, power, third, weight Galleries Levers Source: G. P. Quackenbos A.M. A Natural Philosophy: Embracing the Most Recent Discoveries in the Various Branches of Physics, and Exhibiting the Application of Scientific Principles in Every-day Life (New York: D. Appleton and Company, 1859) 95
