(Full size representation) In 1799 Sir George Cayley (1773-1857), of Brompton, Yorkshire, England, was first to document the aerodynamic forces of flight, roll, pitch and yaw. Consequently, he is recognized as the Father of Aeronautics.

1849 L. Downing Concord Stagecoach

Built by the L-Downing Company of Concord, New Hampshire and used at Atlantic House in Scarborough, Maine, this coach, with two bench seats and a jump seat inside, represents the finest coaches of the mid-1800s.

1850 ca. Portland Cutter

This Portland Cutter by an unknown builder is a typical example of the type. A characteristic of the Portland style is the sharp angle at the bottom of the back of the body, followed by an elegant curve up to the top.

1850 ca. Pray racing sulky

In mid-18th century England, the name sulky was applied to any single passenger vehicle. Hitched to a fine steed, the high wheel racy sulkies were an extremely light and speedy mode of transportation.

1868 ca. Velocipede Boneshaker

The true origin of the cranked, pedal-powered bicycle is obscure. Possibly the first was made in Pierre Michaux's shop in Paris in 1861.

1868 Roper Steam Velocipede

The earliest version of a two-wheeled vehicle was the Draisine of 1817. Lacking pedals, this predecessor of the bicycle was powered by the rider pushing along the ground with his feet.

1875 ca. Mergomobile

This rare example of an early French child's bicycle is built on a wooden frame with small cart wheels.

1879 Harvard Highwheeler

This Harvard highwheeler, with its 51" front wheel, was made by the Byliss Thomas Co., Coventry, England, and sold by Cunningham & Co., Boston, Mass. The highwheeler craze began with the 1870 Starley and Hillman Ariel Highwheelers.

1885 ca. American Star Safety Highwheeler

George Pressey invented the Star Safety in 1880. In an attempt to make a safer bicycle he altered the ordinary's configuration so that the small wheel was now in the front handling the steering, while the rider sat above the rear drive wheel.