80% original parts, and the rest had to be made. There are only 3 known survivors of this make and model.
Waltham Manufacturing in Massachusetts sold it originally as an engined tricycle for $600, it came with a conversion kit to make it into a four-wheeled vehicle that could transport two people.
A driver would pedal the kerosene-headlighted Orient Autogo to start it, then turn on the engine. The levers include one for the brakes and three for the carburetor
this will be at the Concours of the Americas in Plymouth Michigan tomorrow http://concoursusa.org/
Learned about this from the always incredible Vintage Racing League http://www.thevrl.com/ who links to the source at the Detroit Free Press http://www.freep.com/article/20120726/BUSINESS01/307260077/Back-from-the-grave-Bloomfield-Hills-man-s-restored-quadricycle-to-star-at-Concours-d-Elegance