Cycling art, energy, and locomotion

by Robert P. Scott

Rear-driver Rover type, 54-gear; up hill, grade, one foot in twenty; speed, nine miles per hour.

Rear-driver Rover type, 54-gear; up hill, grade, one foot in twenty; continuation of No. 10.

Rear-driver Rover type, 54-gear; up hill, grade, one foot in seven; speed, ten miles per hour.

Lever rear-driver, 30-inch wheels, gear about 50; up hill, grade, one foot in twenty; speed, eight miles per hour.

Lever rear-driver, 30-inch wheels, gear about 50; up hill, grade, one foot in twenty; speed, twelve miles per hour.