Railroads; Railroad construction & maintenance; Cast ironwork
To join train cars together, the cast iron pin was inserted into the removable oblong link and a permanently attached coupler. Switchmen worked between railroad cars to complete the dangerous task of linking them.
This fencing consists of folded single strand links with ends joined in center by double wrapping wire to form a two point barb.
Each link is connected to the next to form a flexible chain. This is a variation of machine patent 292,408, Jan. 22,...