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- 15:22, 22 October 2013 (diff | hist) . . (+28) . . How Sound Works
- 15:22, 22 October 2013 (diff | hist) . . (0) . . N File:Soundpressurelevels.png (current)
- 15:20, 22 October 2013 (diff | hist) . . (+566) . . How Sound Works
- 15:13, 22 October 2013 (diff | hist) . . (+72) . . How Sound Works
- 15:13, 22 October 2013 (diff | hist) . . (0) . . File:Pianorange.png (Pbr uploaded a new version of "File:Pianorange.png") (current)
- 15:10, 22 October 2013 (diff | hist) . . (0) . . File:Pianorange.png (Pbr uploaded a new version of "File:Pianorange.png")
- 15:06, 22 October 2013 (diff | hist) . . (-5) . . How Sound Works
- 15:05, 22 October 2013 (diff | hist) . . (+130) . . How Sound Works
- 15:04, 22 October 2013 (diff | hist) . . (+20) . . N File:Pianorange.png (frequencies of piano)
- 15:01, 22 October 2013 (diff | hist) . . (+4) . . How Sound Works
- 15:01, 22 October 2013 (diff | hist) . . (+185) . . How Sound Works
- 14:59, 22 October 2013 (diff | hist) . . (+84) . . How Sound Works
- 14:57, 22 October 2013 (diff | hist) . . (-15) . . How Sound Works
- 14:56, 22 October 2013 (diff | hist) . . (-19) . . How Sound Works
- 14:55, 22 October 2013 (diff | hist) . . (+2) . . How Sound Works
- 14:54, 22 October 2013 (diff | hist) . . (0) . . File:Water-waves-1600.jpg (Pbr uploaded a new version of "File:Water-waves-1600.jpg") (current)
- 14:50, 22 October 2013 (diff | hist) . . (+2) . . How Sound Works
- 14:49, 22 October 2013 (diff | hist) . . (-8) . . How Sound Works
- 14:48, 22 October 2013 (diff | hist) . . (0) . . N File:Water-waves-1600.jpg
- 14:47, 22 October 2013 (diff | hist) . . (-16) . . How Sound Works
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