Servo Magazine – Issue 5 2022
Popular Electronics – 1992-05
Popular Electronics – 1993-02
Popular Electronics – 2002-08
Techlife News – Issue 637 – January 13 2024
Guter Rat – Marz 2024
Popular Electronics – 1956-08
Popular Electronics – 1959-05
Popular Electronics – 1963-05
Popular Electronics – 1967-12
How It Works – Issue 188 – 14 March 2024
Popular Electronics – 1976-08
Popular Electronics – 1978-04
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Popular Electronics – Hands-On-1986-07-08
Popular Electronics – 1992-01
Techlife News – Issue 650 – April 13 2024
Popular Electronics – 1997-03
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Flug Revue – Marz 2024
Popular Electronics – 1955-02
Popular Electronics – 1962-10
Popular Electronics – 1981-02
Popular Electronics – 1982-12
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How It Works Collection – Volume 7 – June 2024
Engineering in Miniature – February 2024
Technology Magazine – February 2024
Popular Electronics – 1968-03
Flug Revue – Mai 2024
Engine Builder – May-June 2024
Lighting & Sound America – November 2023
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Popular Electronics – 1976-04
How It Works – Book of Amazing Cutaways – 5th Edition 2023
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