| 21. | The Post Office built an experimental wireless telegraph station on Meall an Inbhire near Tobermory in 1892.
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| 22. | Then, in 1913, the Marconi Wireless Company bought this site to establish a transpacific wireless telegraph station.
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| 23. | In 1905, a wireless telegraph was installed, replacing the previous communication via light signals to passing ships.
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| 24. | He developed the De Forest method of wireless telegraphy and founded the American De Forest Wireless Telegraph Company.
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| 25. | The territorial dispute escalated in 1925 with the construction of an Argentinian wireless telegraph station on the island.
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| 26. | These new types of waves paved the way for inventions such as the wireless telegraph and the radio.
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| 27. | The ships had an wireless telegraph.
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| 28. | In 1903, Canadian Pacific Lines purchased the ship, with 14 others, and equipped her with a wireless telegraph.
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| 29. | They were constructed by the Marconi Wireless Telegraph Company and operated by the General Post Office ( GPO ).
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| 30. | During the 1920s, there was an increasing competition from companies using radio communications such as Marconi's Wireless Telegraph Company.
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