ماركوني

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http://upload.wikimedia.org/wikipedia/commons/3/3b/Marconi.jpg


غوليلمو ماركوني (1874–1937م) عالم موجات كهربية مغناطيسية ومخترع الراديو، ولد بمدينة بولونيا بإيطاليا من أسرة غنية، ونجح ماركوني في اختراع جهاز خاص وذهب إلى إنكلترا وعرض الجهاز وسجله هناك وأنشأ شركة، وهو أول رجل أرسل واستقبل بنجاح الإشارات الإشعاعية على مختلف المسافات. أرسل عام 1901م إشارات عبر الأطلسي، فكان يوما عظيماً في تاريخ الإتصالات اللاسلكية حيث أن السفن الحربية التي تعاني من مصاعب يمكنها أن تطلب المساعدة بسرعة، وفي السنوات الأخيرة من حياته قام بتطوير استخدام الموجات القصيرة والموجات القصيرة جدا، وتوفي ماركونى في روما.

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http://www.birminghamstories.co.uk/db/media/lrg/marconi.jpg

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http://www.sparkmuseum.com/images/Marconi/MARC27.GIF

Marconi Model 230 10" Spark Coil
c. 1910

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http://www.sparkmuseum.com/images/Marconi/marconi-104r.jpg

Marconi 104R Short Wave Tuner
c. 1910

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http://www.sparkmuseum.com/images/Marconi/MARC7.GIF



Marconi 103R Multiple Tuner
c. 1910

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http://www.sparkmuseum.com/images/Marconi/Marconi-Tuned-Buzzer-Tester.jpg


Marconi of America
Tuned Buzzer Tester
c. 1910

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http://www.sparkmuseum.com/images/Marconi/Marconi-Mark-III.jpg

Marconi Mark III Receiver
WWWI

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http://www.sparkmuseum.com/images/Marconi/Portable-Decremeter.jpg



Marconi Portable Decremeter
1909

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http://www.sparkmuseum.com/images/Marconi/MARC28.GIF

Marconi Wavemeter #2
100-2500 Metres
1906

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http://www.sparkmuseum.com/images/Marconi/MARC15.GIF


Marconi Wireless Keys
c. 1912

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http://www.sparkmuseum.com/images/Marconi/Marconi-103.jpg


Marconi of America
Similar to Model 103, but earlier
c. 1913

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http://www.sparkmuseum.com/images/Marconi/MARC23.GIF


Marconi Trench Set
1914

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http://www.sparkmuseum.com/images/Marconi/Marconi-No-71.jpg

Marconi no. 71
1916

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http://www.sparkmuseum.com/images/Marconi/Marconi-226A.jpg


Marconi 226A Marine Receiver
1916

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http://www.sparkmuseum.com/images/Marconi/MARC26.GIF


Marconi Variable Condenser
c. 1916

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http://www.sparkmuseum.com/images/Marconi/Marconi-Crystal-Set.jpg


Marconi Crystal Receiver
ca. 1916

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http://www.sparkmuseum.com/images/Marconi/MARC10.GIF

Marconi 101R Magnetic Detector with cover removed
1902 - 1914

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http://www.sparkmuseum.com/images/Marconi/MARC11.GIF


Marconi 101R Magnetic Detector with cover
1902 - 1914

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http://www.sparkmuseum.com/images/Marconi/Marconi-103-Receiver.jpg

Marconi of America
107A Tuner
1915

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http://www.sparkmuseum.com/images/Marconi/MARC12.GIF


Marconi Model 16 balanced Crystal Receiver
1916

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http://www.sparkmuseum.com/images/Marconi/Marconi-Type-I-Antenna-Swit.jpg


Marconi of America
Type I Antenna Switch

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http://www.sparkmuseum.com/images/Marconi/Marconi-Earth-Arrestor-repr.jpg

Marconi Earth Arrestor
(Reproduction

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http://www.sparkmuseum.com/images/Marconi/MARC29.GIF


Model of one of Marconi's earliest experimental transmitters

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http://www.sparkmuseum.com/images/Marconi/MARC18.GIF

Marconi Audion Control Box
1919
Using the Marconi VT Electron Relay Manufactured by De Forest

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http://www.sparkmuseum.com/images/Marconi/MARC20.GIF


Marconi Flexible Crystal Receiver
1919