User contributions for NorbertR.~commonswiki

A user with 61 edits. Account created on 9 December 2007.
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7 June 2008

24 May 2008

23 May 2008

22 May 2008

21 May 2008

  • 07:2607:26, 21 May 2008 diff hist +545 N File:Schleifenoszillograph.jpg {{Information |Description= Schleifenoszillograph der Fa. Max Kohl in Chemnitz 1905 Enthält: Synchronmotor, Bogenlampe, Elektromagnet mit 12kHz-Meßschleife, Beobachtungsvorrichtung, photographische Trommel, Vorrichtung für versetzte Mehrfachbelichtung.

23 April 2008

30 March 2008

20 March 2008

10 March 2008

31 January 2008

  • 15:4315:43, 31 January 2008 diff hist +330 N File:Quetscher.jpg {{Information |Description=Quetscher, a special form of trimming capacitor |Source=self-made |Date=31.1.2008 |Author= NorbertR. |Permission=I, the copyright holder of this work, hereby release it into the public domain. This applies wor

30 January 2008

  • 10:5410:54, 30 January 2008 diff hist +416 N File:THz Antenne.jpg {{Information |Description=1,5 THz Spiral-Antenna |Source=Bild(6.1) aus Dissertation "Entwicklung von Hot Electron Bolometer-Mischern für Terahertz-Heterodynempfänger" von Richter, Heiko Helmut 2005 |Date= 4. April 2005 |Author=Dr. rer. nat.�Dipl. Ph

28 January 2008

17 January 2008

4 January 2008

3 January 2008

29 December 2007

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