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A Stamp printed in USA shows the Alexander Graham Bell Telephone Patent Application, Telephone Centenary Issue, circa 1976
A communications tower full of a variety of antennas stands out against a deep, blue, clear sky background.
El Morro fort in San Juan, San Juan, Puerto Rico
Security Camera
the siren on the mast announces the alarm with high-pitched sounds. it is audible thanks to several rows of trumpets, amplions. variable fluctuating sounds. chemical, fire, air alarm, blue sky
International flags floating besides St. Lawrence river from high angle point of view during day of springtime in Quebec city
A camera with a radio transmitter on a pole against the sky.
Perry's Victory and International Peace  Memorial sign.  Monument  commemorating The Lake Erie War of 1812. Thanks to Commodore Perry.
A colorful rod and small black ladder
Fort Story, Virginia, USA - April 13, 2024: A binocular awaits tourists near the New Cape Henry Lighthouse, built in 1881, and a harbor control tower on a sunny day.
The black twin foghorns on Pendeen lighthouse white and green building, near Pendeen, West Cornwall, England.
Tower in cloudy weather
Manufacturer of concrete pumps and other equipment for pumping,
Wheather station for measuring atmospheric conditions with clouds background. Technology. Science.
Cell phone or broadcast transmitter antenna tower with clouds background
Clock mechanism on gold background. Focus on the central gears. High resolution.
Cabo Polonio lighthouse on the coast of Uruguay
Truro, Canada - August 4, 2023: Telecommunications tower of Bell Aliant in Truro, Nova Scotia. Bell Aliant is the brand name used by Bell Canada for telecommunications services in Atlantic Canada.
The red ensign flag flown on a ferry from Penzance to St Mary's Island in the Isles of Scilly.
Pontianak, Indonesia, july 26, 2024\nDaytime photos of the Equator Monument from various angles at Equator Street, showcasing different views of the monument and its surroundings.
A weather and environment monitoring station is located high on a hill above Cayuga Lake in central New York State.  Cayuga is one of the largest of the NY Finger Lakes.\n-- -- --\nRelated images:\n[url=file_closeup.php?id=15611113][img]file_thumbview_approve.php?size=1&id=15611113[/img][/url] [url=file_closeup.php?id=15611608][img]file_thumbview_approve.php?size=1&id=15611608[/img][/url] [url=file_closeup.php?id=25853491][img]file_thumbview_approve.php?size=1&id=25853491[/img][/url]
Weather station on the top of the hill in a summer Sunny day.
4g and 5g antennas repeater on roof
Moisture usa and England on the same table for negotiations next to folders. On the table is the flag of England and America.
Antennas on the top of a high apartment building
On Punta Helbronner, in the Mont Blanc Massif, there is a receiving-transmitting  and a weather station.
Loudspeakers on mosque towers
Lighthouse at Five Islands Lighthouse Park, Nova Scotia, Canada
Free Images: "bestof:Telegraph key and sounder, L.C.T. (L. C. Tillotson) and Co., 8 Dey Street, NY - Bennington Museum - Bennington, VT - DSC08636.JPG en Exhibit in the Bennington"
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