1920 Midwest Engine Co. Ad: Testing Lab for Midwest Wait Steam Turbines Pictured Suitable for framing; a great piece of history. Size: 9″ x 12″ page size Shipping included in the continental United StatesInventory Code: P2 1920 midwest AmericanIkons. – Your home for Industrial Genealogy. Please message me if you have other interests in vintage advertisements.I have thousands of them categorized and waiting to be listed, also on mysite: AmericanIkons.