File:Magdeburg hemispheres, drawing from Fotothek 0005669.jpg

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Summary

Description	Deutsch: Experiment zur Demonstration des Luftdrucks, Magdeburger Halbkugeln English: Experiment to demonstrate the effect of atmospheric air pressure: the Magdeburg half-spheres.
Date	1672 (modified 2013-02-05)
Source	This file was derived from: Fotothek df tg 0005669 Physik ^ Vakuumtechnik ^ Luftdruck.jpg:
Author	Otto von Guericke

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Cropped, turned to grayscale, cleaned up background, removed legend letters. The original can be viewed here: Fotothek df tg 0005669 Physik ^ Vakuumtechnik ^ Luftdruck.jpg: . Modifications made by Ariadacapo.

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