Sprocket Small 268×320 Medium 535×640 Large 856×1024 Download Tiff Original 2007×2400 | (281.7 KB) Description A sprocket and chain. Keywords chainpump, gear Galleries Gears Source: William & Robert Chambers Encyclopaedia - A Dictionary of Universal Knowledge for the People (Philadelphia, PA: J. B. Lippincott & Co., 1881) Courtesy the private collection of Roy Winkelman
