Phonograph

https://www.wikidata.org/wiki/Q116434

Field Hierarchy

Parent
Physics 33M papers	Engineering 25M papers	Electrical engineering 4.8M papers	Acoustics 2.9M papers
Current
Phonograph 1,239 papers
Child
Phonograph cylinder 0 papers	Record album 0 papers	Record composition 0 papers

Trends

Notes

History