![](http://www.alamy.com/thumbs/6/C8019D6A-AD61-4B15-8697-1D336C80A941/KCP0B0.jpg)
Discharge gap at the high power wireless telegraph station in the DeForest Wireless Tower at the 1904 World's Fair
Size: 1792px × 1395px
Photo credit: © Historic Collection / Alamy / Afripics
License: Licensed
Model Released: No
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