File:Spiegelgalvanometer hg.jpg
Size of this preview: 313 × 598 pixels. Other resolutions: 125 × 240 pixels | 251 × 480 pixels | 960 × 1,835 pixels.
Original file (960 × 1,835 pixels, file size: 432 KB, MIME type: image/jpeg)
Captions
Captions
Mirror galvanometer (about 1900)
| Description |
English: Mirror galvanometer, used in physics education probably around 1900, on display in the Schulhistorische Sammlung (School Historical Museum), Bremerhaven, Germany. It was used to measure small currents. Wires from the current source were attached to the binding posts at either side of the base. The current passed through the wire coil and caused a magnetized needle suspended from a fiber in the vertical column to turn. This also turned a mirror attached to the fiber. The current was measured by the deflection of a beam of light reflected from the mirror and striking a graduated scale (not shown).
Deutsch: Ein Spiegelgalvanometer, wie es im Physikunterricht um 1900 verwendet wurde, ausgestellt in der schulhistorischen Sammlung in Bremerhaven. Es diente der Messung kleinster Ströme. Die Stromquelle wurde über Drähte an den Kontaktpfosten beiderseits des Sockels angeschlossen. Der Strom floss durch die Drahtspule und lenkte eine Magnetnadel, die an einem dünnen Faden aufgehängt war, ab. Dadurch drehte sich ebenso der am Faden befestigte Spiegel. Der Strom wurde durch einen vom Spiegel abgelenkten Lichtstrahl auf einer im Bild nicht dargestellten Skala angezeigt. |
| Date | |
| Source | own work, Schulhistorische Sammlung Bremerhaven |
| Author | Hannes Grobe (talk) |
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:25, 25 August 2008 | | 960 × 1,835 (432 KB) | Hgrobe (talk | contribs) | {{Information |Description=Mirror-galvanometer |Source=own work, Schulhistorische Sammlung Bremerhaven |Date=2008-08-25 |Author=~~~ |Permission=Attribution 2.5 |other_versions= }} {{cc-by-3.0}} Category:Physical_phenomena |
You cannot overwrite this file.
File usage on Commons
The following page uses this file:
File usage on other wikis
The following other wikis use this file:
- Usage on de.wikipedia.org
