B63-209. LOT OF TWO BICYCLE WRENCHES. A "Flying Merkle" No. 8 motorcycle wrench, based on John Wakefield's 9/4/1900 patent and marked with patent date (Schulz No. 123), manufactured by the Miami Cycle and Manufacturing Co. of Middletown, OH. Joe Merkel of Milwaukee was a pioneer in early motorcycle design, his "Flying Merkel" bikes were produced through 1915. 7". Plus a 3" center nut type marked "Marco" and "No. 1." Fine 120-240