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Uploaded a work by Edward Ball Screen shot of free software available under GNU general public licence https://github.com/edwardball/academo.org/blob/master/LICENCE.txt from https://academo.org/demos/virtual-oscilloscope/ with
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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219:; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but
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Middle c (C4), or 262 hertz, on a virtual oscilloscope. Demonstrates the relationship between sound frequency and pitch.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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Middle c, or 262 hertz, on a virtual oscilloscope. Each square represents 1 ms
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Screen shot of free software available under GNU general public licence
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Click on a date/time to view the file as it appeared at that time.
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https://github.com/edwardball/academo.org/blob/master/LICENCE.txt
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Middle C, or 262 hertz, on a virtual oscilloscope.png
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Commons is a freely licensed media file repository.
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361:GNU General Public License, version 2.0 or later
165:https://academo.org/demos/virtual-oscilloscope/
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
