Keywords: Model of Thomas Cunningham Sr. steam engine.jpg en Model of steam engine from tug boat Thomas Cunningham Sr in the Mariner's Museum Virginia own Cknerr 1988-11-03 I took picture this is freely given to the public Check categories 2011 September 10 en wikipedia Tuff-E-Nuff_ tugboat 4 Ships built in 1895 Tugboats of the United States Ships built in Pennsylvania |