Acorn Brass Manufacturing Company of Chicago, Illinois.
Acorn Brass Manufacturing Company of Chicago, Illinois made this iron around 1913. It is unique in that the tank is the handle. This iron requires an external pump to pressurize the tank.
Iron information is on the end of the tank handle of this Acorn iron.
A different Acorn iron has Acorn being in Aurora, Illinois. Acorn opened a subsidiary factory in Aurora and produced irons there.
Acorn iron with pump built into the handle. This iron is in Kevin McCartney's collection.