Hand Tools in History
Yankee Plough Planes
This American made 18th century plough plane is in the Museum collection (Maritime II section, cat. # 101900T1).
This adjustable plough plane dates from between 1733 and 1740.  It was loaned to the Museum for our opening year, but is no longer on exhibit.
Also check out the illustration of an English plough plane in Joseph Smith's Explanation or key, to the various manufactories of Sheffield and the Yankee plow plane photos in the Registry of Maine Toolmakers Appendix section on Nathaniel Potter.