imported>John R. Brews |
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| |Blocks per day 2012.png|Blocks per day in 2012 on English Wikipedia. Data from [http://en.wikipedia.org/wiki/Special:BlockList Wikipedia]. | | |Blocks per day 2012.png|Blocks per day in 2012 on English Wikipedia. Data from [http://en.wikipedia.org/wiki/Special:BlockList Wikipedia]. |
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| |Signal envelopes.png|Top and bottom envelope functions for a modulated sine wave.
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| |Sawtooth Fourier series.png|First six terms of Fourier series for sawtooth.
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| |Musical clefs.png|Musical clefs arranged on an 11-line ''grand staff''.
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| |Sound envelope of a musical note.png|Envelope of a musical tone
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| |Instrument spectra (A4-440Hz).png|Approximate spectrum of four instruments playing A4: 440 Hz
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| |Even temperament.jpg|Comparison of even tempered notes with harmonics of ''C''2.
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| |B♭ trumpet.png|A scale in concert pitch (top) and the scale transposed for the B♭ trumpet (bottom).
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| |Musical notation.png|Some elements of musical notation.
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| |Tuning error.png|Error in playing a note of specified pitch.
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Latest revision as of 03:07, 22 November 2023
The account of this former contributor was not re-activated after the server upgrade of March 2022.
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(PD) Image: John R. Brews
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(CC) Image: John R. Brews & Aleksander Stos
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(PD) Image: John R. Brews
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(PD) Image: John R. Brews
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Number of articles on English Wikipedia vs. year. (Data from Wikipedia)
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(PD) Image: John R. Brews
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Number of applicants for administrator privileges on English Wikipedia by year. (Data from Wikipedia
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(PD) Image: John R. Brews
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Number of new accounts per month on WP over its lifetime. (Data from Wikimedia.)
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(PD) Image: John R. Brews
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New articles per day on English Wikipedia. Average drop in production is 135/year. Data from Wikimedia
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(PD) Image: John R. Brews
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Number of English WP contributors making 100+ edits/month by year. Average drop is 93/year. Data from Wikimedia.
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(PD) Image: John R. Brews
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Blocks per day in 2012 on English Wikipedia. Data from Wikipedia.
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