Antique, O. C. White vintage, industrial work light. This work light has and adjustable steel body with a cast iron knuckle joint base and a brass fat boy Bryant electrical socket with a 1910 patent date.
This measures about 29" long when straight with worn old black and gold paint. It has an about 6 foot long old electrical cord with a hard rubber plug.
There is a small stress crack at the base of the bottom tube. It showes in the 4th photo.