1939 Centerfold Magazine Ad Featuring Schlitz Beer Aerial View of Factory Ad

This original centerfold magazine page is more of an expose on Aerial photography as it pictures scenes across the world, but on the righthand side it is dedicated to an aerial view of the Schlitz factory in Milwaukee, WI, calling it the worlds Greatest Brewery!  There is definitely a beer ad in the lower right hand corner of the page reminding everyone that Schlitz was the beer that made Milwaukee famous and is copyrighted 1939.  the ad measures @ 14 x 20" when fully opened.