Dual 90
1958
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© Cláudia Damas
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Dual 90
1958
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Needle microscope.
In 1900, Christian Steidinger founded the Gerbruder Steidinger" in St. Georgen (Germany). In 1927, the company changed its name to Dual, reflecting the technology developed, Dual equipment had two motors, ran on both rope and electricity.
In 1900, Christian Steidinger founded the Gerbruder Steidinger" in St. Georgen (Germany). In 1927, the company changed its name to Dual, reflecting the technology developed, Dual equipment had two motors, ran on both rope and electricity.
Also in 1958
- 12 of May - A formal North American Aerospace Defense Command agreement is signed between the United States and Canada.
- 18 of August - Brojen Das from Bangladesh swims across the English Channel in a competition, as the first Bengali and the first Asian to do so. He came first among 39 competitors.
- 3 of March - Nuri al-Said becomes Prime Minister of Iraq for the eighth time.
Broadcasting Company Ensign
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Radio Receiver
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Armando Marques Ferreira
1951 - Photo
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Lourdes Norberto
1960 - Photo
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Natália Correia
1960 - Photo
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A Primeira Reportagem Radiofónica
1969 - Documentation
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A TSF em Portugal
1924 - Documentation
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A&A MAJ 30
Tape Recorders
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ACA Magnetape Recorder PT 800 B
Tape Recorders
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Accordeon
Radio Receiver
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Acoustical Quad II
1953 - Amplifier
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Acoustical ESL57
1957 - Loudspeaker
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