alb8450695

RADIOINNOVATÖR

Orig. bildtext... PROVES HIS THEORY THAT RADIO WAVES TRAVEL THRU EARTH Dr. James Harrison Rogers of Hyattsville, Md., who recently transmitted a message from his laboratory to Toulon, France by way of his underground anntenae. Dr. Rogers is the originator of the theory that long distance radio waves travel through the earth and sea rather than through the air. Anm. Antenner CD173 persons: James Harrison Rogers sites: USA.

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Titre:

RADIOINNOVATÖR

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Orig. bildtext... PROVES HIS THEORY THAT RADIO WAVES TRAVEL THRU EARTH Dr. James Harrison Rogers of Hyattsville, Md., who recently transmitted a message from his laboratory to Toulon, France by way of his underground anntenae. Dr. Rogers is the originator of the theory that long distance radio waves travel through the earth and sea rather than through the air. Anm. Antenner CD173 persons: James Harrison Rogers sites: USA

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2271 x 2965 px | 19.3 MB

Taille d'impression:

19.2 x 25.1 cm | 7.6 x 9.9 in (300 dpi)