This is the old SD-10 from Milan, Michigan. This image was shot on Kodak Ektachome 200 slide film in March, 1989. https://farm9.staticflickr.com/8051/8100559432_f77c750baa_b.jpg Milan SD-10 Air Raid Siren 2 by Ronnie , on Flickr Here's a Whelen WPS-200-16 shot in March, 1989 in Ann Arbor, Michigan....