"COLUMBIA BICYCLE, 1886 U.S.N.M. No. 307217... photograph No. 797 1/2-C; plate 15, a. [T]his early Columbia high-wheeler, or ordinary, is a Light Roadster model of 1886. Sold originally for approximately $135, the Light Roadster was a lighter [36 lb. with all equipment] version of the Expert model [45 lb.]... [A]available with seven sizes of front wheel... 47 to 59 inches, and two sizes of rear wheel, 10 or 18 inches, depending on the... front wheel... including the thickness of the solid rubber tires. The felloes of the wheels are of seamless steel tubing rolled into a hollow crescent, the spokes are... steel wire, and the hub flanges are of light forged steel rigidly secured to steel axles. The axles are mounted on adjustable ball bearings. Adjustable, detachable cranks, providing from 4 1/4 to 5 1/4 inches of throw, are fitted to the front axle, with rubber-covered pedals attached... The curved perch has a tapering, circular cross section and is made of imported, cold-drawn, seamless steel tubing; the front fork is of the same material but elliptical in cross section; and the rear fork is semitubular."