Stunt man "Zip" rides bicycle along ledge and stands on top of building

Title card: "Youngstown, Ohio - Round the rim on two wheels - Zip performs thrilling feat as he rides bicycle on 3-foot edge atop 14-story building; first he climbs to his track" / Zip climbing ladder with bicycle on shoulder / he climbs over ladder onto ledge with bike, can see ground and river below / title card: "He starts on the straight and narrow path and almost changes his mind at the turn" / he rides down ledge toward camera smiling / top of building as he rides down ledge; he catches bike as front part goes over ledge, gets back on riding across front passing 5 percent sign / title card: "A human fly too - he sees the world upside-down as he stands on his head at the very top of building" / he stands on head at top of clock tower, then stands atop pinnacle and takes off hat / Note: exact month/day not known