Also on the ball of the clacker it saids double acting. The bell weights 51 pounds. The item "Antique RAILROAD Brass LOCOMOTIVE BELL Old STEAM ENGINE Powered TRAIN" is in sale since Saturday, December 30, 2017.This item is in the category "Collectibles\Transportation\Railroadiana & Trains\Hardware\Whistles, Bells & Horns". The seller is "mistermagoo321" and is located in Sewickley, Pennsylvania. This item can be shipped to United States.