Hello Frisco! A 1924 Map of The First Coast-to-Coast Radio Broadcast

America get a little bit smaller on the night of February 8 , 1924 . Or at least it felt that way . From a banquet hall at the Congress Hotel in Chicago one valet could be heard simultaneously in New York , Jacksonville , Denver , San Francisco , and even Havana , Cuba ( which was no longer technically controlled by the U.S. but was certainly a resort area for American corporations at the time ) . This was the first coast - to - coast radio broadcast and it was accomplished less than a 10 after the first coast - to - coast telephony call was rank in 1915 . The future of broadcast medium had arrived .

GeneralJohn J. Carty , a vice president at Bell Telephone Company , talk from Chicago , addressing by name the various telephone handler in each city where he was being heard . Only about 10 % of Americans had a radio set in 1924 , but “ millions ” of others also heard the broadcast , all tuning in with the new tuner band which were quickly becoming quite a coveted new firearm of tech for American dwelling house .

The April 1924 issue of Science and Invention magazine publisher included this map of the momentous juncture , shew the various wired connections between urban center that were necessary to broadcast the substance across bully aloofness . The magazine gave proofreader an idea of the oscilloscope of the projection , telling of hardships and explaining that the cables were arrive at a mi below sea level in the southeast , and a Swedish mile above ocean level in the Rocky Mountains .

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At a point near Winnemucca , Nevada , a severe blizzard was raging . gobs of men were at work keeping the line in repair so that communicating could be carry on without suspension . At one point of the telephone circuit near Key West , the poor boy cable was one mile below sea level , while near Denver it was a nautical mile above sea level .

The illustrations of masses saying “ Hello ! Frisco ! ” is in book of facts to the first sea-coast - to - coast telephony call made between an aging Alexander Graham Bell and his former assistant Thomas Watson on January 15 , 1915 during thePanama - Pacific International Exposition . Their call , from Bell in New York to Watson in San Francisco , would inspire the title of the 1943 filmHello , Frisco , Hellowhich is set at the 1915 Exposition .

Somewhat queerly , in all the story I ’ve scan of that 1915 earphone call , Bell never actually said “ hello Frisco . ” But given thetremendous distasteso many masses from San Francisco have for the term Frisco , I suppose it ’s for the best . At least they did n’t say “ hello San Fran . ”

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