This is a beautiful vintage Fenton white hobnail milk glass hurricane lamp that came from an estate in central PA and is in good condition.  This lamp lights on top, bottom or both.  It has a base, a shade and a chimney.  It measures 17 1/2" to the top of the chimney and about 9" across the widest part of the shade.  Please see the photos.  It weighs almost 5 pounds.