Phonographenwalze (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Phonographenwalze" in German language version.

refsWebsite
Global rank German rank
1,115th place
2,038th place
800th place
160th place
762nd place
61st place

espacenet.com

worldwide.espacenet.com

  • Patent US341214A: Recording and Reproducing Speech and Other Sounds. Angemeldet am 27. Juni 1885, veröffentlicht am 4. Mai 1886, Erfinder: Chichester A. Bell, Sumner Tainter.

onb.ac.at

anno.onb.ac.at

ucsb.edu

cylinders.library.ucsb.edu