The McKeen Motor Car was one of (if not the) first successful internal combustion rail cars in eves ever build, designed by the William R. McKeen Jr. and Edward H. Harriman during the early 1900's. The first car was built in 1904-1905 and tested with a 100H.P. engine and was tested in Nebraska hauling heavy weight passenger cars, and starting up on grades in excess of 7%, unheard of in the day of steam. Now you can buy yourself or your special someone a necklace designed to match the driver on the famous McKeen Motor Cars. The necklace's diameter is about 1", 1/45 of the original 42" driver, and is about 1/6.6 of an inch thick available in Silver, Gold, Brass, and many more materials.