Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

@Nick, based on my research the 1873 date is correct +/- one year.  Buckman started advertising the engine in April of 1872.  This is a very special Young America.  One thing that would help me with my research is to know if this particular engine has a double-walled boiler as shown in this patent which is specific to the Little Giant two-cylinder model.  Buckman's advertising never used the word "Improved", but it was used in an article about the Little Giant