Wireless telegraphy: Heaviside layer, a layer of the earth's atmospere containing electrons, has a more or less free state. Anonymous illustration from 1925. Private collection.(Wireless telegraphy: Heaviside layer, a layer of the earth's atmosphere containing electrons, has a more or less free state. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
|
€ 102.07
Enthält 0% MwSt.
Konfigurer kunsttrykk
|
|
Udatert · Engraving
· Bilde ID: 925467
Private Collection / Bridgeman Images |
| 0 Vurderinger |