Below is an actual 3-strip Cinerama print scene from Marty Hart's Widescreen Museum web site -  http://widescreenmuseum.com/special/cinerama.htm

Above is what appears on the old DVD. As you can see, both sides, the top and bottom have been cropped.

Below from Ultimate Collectors Edition DVD and a post on http://www.hometheaterforum.com

                          Above is from the old DVD

below Ultimate Collectors Edition DVD from http://www.hometheaterforum.com

Below BD from http://www.dvdbeaver.com

below Ultimate Collectors Edition DVD from http://www.hometheaterforum.com

Below BD from http://www.dvdbeaver.com

Top is BD from http://www.dvdbeaver.com

Bottom is old dvd