Early Style Rock Island Alamo Carburetor Antique hit & miss Gas engine

Early style cast-iron carburetor for I believe a 2 to 2 1/2 hp Rock Island or Alamo and possibly flint and walling Antique Stationary gasoline Engine. Part is in good condition with good loose needle valve and no cracks breaks or welds. Part number 5865 I think. Good choke casting. Carb slides into head and his held by a setscrew. Has a good gas tank. Please see pictures for more information and condition. Sold as is.