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Deutsch: Ein Bitterlichstab als Multifunktionsgerät - hier Nutzung der Rückseite als Basismaß (Distanzlatte) für die Entfernungsmessung mit dem Baumhöhenmesser „Blume-Leiss“. Beim Blick durch einen Kalkspatkristall an der Seite des Blume-Leiss-Baumhöhenmessers, sieht man das Basismaß doppelt (versetzt doppelt). Entsprechend dem Abstand zum Baum, 10, 15, 20 oder 30 m, sieht man die obere weiße Marke des einen Abbildes deckungsgleich auf der entsprechend tiefer gelegenen Höhenmarke des anderen Abbildes (Doppelbrechung). Die Kenntnis dieser Entfernung ist für die Höhenmessung, die auf dem Dreiecksprinzip beruht, notwendig.
Date 24 May 2009(2009-05-24)
Source Own work
Author Moorochs


Public domain This work has been released into the public domain by its author, Moorochs. This applies worldwide.
In some countries this may not be legally possible; if so:
Moorochs grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Public Domain


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Date and time original image was generated 2009:05:24 10:53:07
Date and time image was made digital data 2009:05:24 10:53:07
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User comments
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Type of image IMG:PowerShot A430 JPEG
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Image number 1010107
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