Here is a rail car mover on ebay with good pictures.

http://www.ebay.com/itm/Vintage-Lowell-wrench-Co-rail-car-mover-antique-railroad-tool-primitive-/281015443758?pt=LH_DefaultDomain_0&hash=item416dd3612e#ht_22wt_913

(the site software is taking liberties with html and I'm not going to take the time to figure out why it eliminates the "img src=" for posting a link to the image.)