Yes, children, there was a time when machines were entirely man-powered. Icarus (well, actually his father Daedelius) was a early adopter of the idea that muscle was all that was needed to propel oneself forward. His aim however was, uh, too high... The bicycle turned out to be a much more successful implementation of the idea. And the rest history and falls outside the impetus to try to sell you some neat vintage bicycle signs made of baked enamel on steel. Handmade in America using a nifty family-owned process. These durable vintage bicycle steel signs will forever remind you of your bicycle's humble beginnings. View also our unique Vintage Aviation & Pinup Thermometer Postcards