Vintage box fan, machine age factory window fan in 50s turquoise blue

Vintage machine age turquoise blue window fan for industrial apartment setting. This fan is from the late 1950s (we think) and is steel with a 4 speed reversible motor (hi/low IN and hi/low OUT). It measures about 24.5 inches high and 26 inches wide over the frame and about 8 inches deep.

It has some wear, light rust and soil.

This vintage van was made by Dominion Electric Corp in Mansfield, Ohio and is model number 2059.