The chapter detailing Ryan’s research on rope making contains some of the most evident use of logos. For example, when describing a rope discovered by Giovanni Belzoni in 1817, Ryan includes the measurements of the rope. “Belzoni’s rope is presently 6.2 meters long (about 20 feet), including two knots, and is in seven sections. With a finished diameter of about 2 centimeters (.75 inch), it has a Z = s/s structure” (112). If the reader wished, they could check this fact, along with all of the other facts presented in the memoir, is