Thanks, Duncan and Stewart! There are still several steps to do before these parts are useable as a track frog. The approach/wing rails need to be cut and bent, and they need to be matched to the angle of a specific set of frog points. Since these frogs will be of a riveted construction, with a base plate, several pieces of 5/8 inch thick steel plate, approximately 66 inches long and 16 inches wide, have to be purchased. All the pieces then have to have holes drilled through their bases (and through the base plate) for rivet placement.
We'll also need to cut and form guard rails as well.
The switch points are 12 feet long and will be challenging to machine, even on a mill with an 8-foot bed; I'll have to hold up the overhanging end with a roller support.
Dave