The Or50 1979 1980 (n) (t) Usa (e03) Speedometer (or50t) consists of nine pieces with the Socket,meter being the most expensive.
The Bulb(6v/3w) is the most widely applied product in the OR50 1979 1980 (N) (T) USA (E03) SPEEDOMETER (OR50T) ( three times ).
Some items from this specific schematic: Washer, Bolt, Bolt, Bulb(6v1.7w,stanley,a61a).