DescriptionEB1911 - Volume 21.djvu English: Volume 21 (Payn, James — Polka) of the 1911 Encyclopædia Britannica Date 1911 Source Internet Archive: https://archive...
DescriptionWikisource Intro WMWM2021.pdf English: Wikisource Intro WMWM2021 Date 21 February 2021 Source Own work Author jayantranth...
DescriptionEB1911 - Fig 4 Phonograph.png English: EB1911 - Fig 4 Phonograph Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/492...
DescriptionEB1911 - Fig 5 Phonograph.png English: EB1911 - Fig 5 Phonograph Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/492...
DescriptionEB1911 - Fig 6 Phonograph.png English: EB1911 - Fig 6 Phonograph Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/492...
DescriptionEB1911 - Fig 2 Phonograph.png English: EB1911 - Fig 2 Phonograph Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/491...
DescriptionEB1911 - Pine - Plate 2.jpg English: EB1911 - Pine - Plate 2 Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/651 Author...
DescriptionEB1911 - Fig 7 Phonograph.png English: EB1911 - Fig 7 Phonograph Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/492...
DescriptionEB1911 - Pilot-fish.png English: Pilot-fish. Date 1911 Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_21.djvu/641 Author Encyclopædia...