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1915 Press Photo Space Signal Transmission Field Air - RRR58483

$12.33
AdID: 354642

Availability: In stock

Part Number: RRR58483

Height: 8

Width: 10

Source: Rogers

Details

Photo measures 8 x 10 in. Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space