Bicycle Drive PulleyThis invention is by C. D. Rice which was patented in 1890. It is a self adjusting drive pulley. Rice claimed that he got more speed on level ground with his invention. I beautifully laser engraved the patent drawing of this great invention into a 12" x 19" maple wood plaque. The process requires me to digitally remove a majority of imperfections from the original vintage image and in most cases juxtapose the elements creating a special work. This
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