This work investigates the eccentric and often failed engineering experiments that defined the early automotive industry between 1827 and 1926. John F. Marshall examines the transition from steam and experimental propulsion to the internal combustion engine by cataloging the bizarre, non-standard, and short-lived vehicle designs of the era. The text utilizes archival records and patent filings to illustrate the trial-and-error nature of early mechanical innovation.

The subject matter points to a specialized historical reference text intended for automotive historians and mechanical enthusiasts. Its focus on the fringe developments of the early industrial period suggests a dense, data-heavy approach to documenting the evolution of vehicle design.