Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
H49358 U.S. Copyright Office. No. 8456. Public domain photograph of monument, historic place, stereoscopic card, free to use, no copyright restrictions image - Picryl description
H50389 U.S. Copyright Office. No. 8465. Public domain photograph related to development of telegraph, free to use, no copyright restrictions image - Picryl description
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More
Significance: Antenna Towers S-109, S-110, S-111 are uncategorized facilities located outside the Pearl Harbor National Historic Landmark. The historical significance of the towers is due to their role both du More