Supplement "Technik der Zeit" to the issue of the then "Berliner Tageblatt" of the 5th of July, 1933<br><p>main artilcle, left: About the BR E 04 (Electric 1 Co 1 locomotive) of the "Deutsche Reichsbahn"<br></p>
main article, right: Heaviside-ionospheric layer and radio waves transmission
Verlag des Berliner Tageblattes /Mosse Verlag), Berlin
scan of original