![Portrait d'Émile Berliner travaillant en laboratoire](https://ville.montreal.qc.ca/memoiresdesmontrealais/sites/default/files/rpcq_pge_26491_232447.jpg)
Légende
[s.d.]. Emile Berliner in laboratory working on gramophone disc. http://hdl.loc.gov/loc.mbrsrs/berl.12010112
Source
Library of Congress
[s.d.]. Emile Berliner in laboratory working on gramophone disc. http://hdl.loc.gov/loc.mbrsrs/berl.12010112
Library of Congress