In the Doris Day movie, The Thrill Of It All, she does an ad for laundry detergent beside a Mark XII with another one in the background. She is also seen in the kitchen of her house with a stainless steel Frigidaire wall oven.
So that's what that washer is! I own the movie and never could figure that one out. I, too, however, tagged the Frigidaire wall oven! Thanks, Tomturbomatic.