If you look on net for all E1 pages, looks like 4 different TVs.
http://bs.cyty.com/menschen/e-etzold.../img/E-1-1.jpg
2 large, 2 small knobs, large handle on speaker grills, emblem #1.
http://bs.cyty.com/menschen/e-etzold...n/img/MfK2.JPG
4 large knobs, small handle on speaker grills, emblem #2
http://bs.cyty.com/menschen/e-etzold...n/img/MfK3.JPG
4 large knobs, large handle on speaker grills, emblem #1
http://www.earlytelevision.org/e1.html
2 large, 3 small knobs, large handle on speaker grills, emblem #2 with knob