Original sentence: Earlier crude sound-on-disc systems had been invented 1894-1914 by Thomas Edison (Kinetophone, Kinetophonograph), Gaumont, and Pathe in France, and a few British systems
Edited sentence: Earlier crude sound-on-disc systems had been invented 1894-1914 by Thomas Edison (Kinetophone, Kinetophonograph), Cameraphone in the US, Gaumont and Pathe (Chronophone) in France, and a few British systems