Bicycle Chain Small 320×40 Medium 640×79 Large 1024×127 Download Tiff Original 2400×297 | (411.3 KB) Description "The "block" chain consists of a series of central blocks connected by side plates." — The Encyclopedia Britannica, 1910 Keywords Bicycle, block, chain, Plates Galleries Human-Powered Transportation Source: The Encyclopedia Britannica, Eleventh Edition (New York: The Encyclopedia Britannica Company, 1910)III:915
