Wheel and Axle with Rope and Bucket Small 320×305 Medium 640×609 Large 1024×975 Download Tiff Original 2400×2284 | (909.5 KB) Description "The wheel and axle consists of a wheel united to a cylinder in such a way that they may turn together on a common axis. It is a modified lever of the first or second class." -Avery 1895 Keywords axle, bucket, class, first, lever, Rope, second, wheel Galleries Wheel and Axle Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 139