MEASURING LENGTH OF ULTRA-SHORT RADIO WAVES

E&MP 96.018

Phototelegraphy

ca. 1937

Ultra-short radio waves reflected like light Exhibit showing how ultrashort radio waves act with the properties of light.

Focused with mirrors they are sent out in a parallel beam, reflected off sheet of metal and picked up with second mirror at receiver.

PHOTO ## 217578

Original Caption by Science Service
© Westinghouse