| Show ra rail 11 birtha gli it ancient R roman an chariots were built with a clearance of about 4 feet 8 inches between the wheels the same width between the wheels was aunt continued aed in early european coaches and carts and in the english tram ways operated by horse power many early E english locomotives were built on this g gauge auge and ad a number of the pioneer rail railroads r it m this thia at country ts y were e r eb built t to meet goa t the ape specifications ficat ions ot 1 english gj h led locomotives tives in 1871 no fewer than 19 different gauges gauge ranging from three to su am feet existed on the railroads in the united states but b by y the beginning of 1939 99 4 per de cent ct ot of railroad rail mileage aage was carser constructed died in standard gauge lines the standard gauge ot of rail railways yi in the united states I 1 is me measured ed fr from the inside ol of one ra raj tathy to the inside a of f the opposite rail about five eighth 0 of a an mch inch below the top ot at the rail head |
