Identify the correct sequence of the invention of the following recording systems. (A) Magnetophon, Blattnerphone, Stereo audio recording
sequence of the invention of the following recording systems.

Identify the correct sequence of the invention of the following recording systems. (A) Magnetophon, Blattnerphone, Stereo audio recording
Keywords- Telegraphone, Blattnerphone, Stereo audio recording and Magnetophone Asked in Paper II- June 2006- Mass Communication Identify the