A singer practically had to put his face in the recording horn.

This time, he employed a huge recording horn that would be able to capture the sounds emanating from singers and orchestra stationed below.

Musicians had to gather as closely as possible around the recording horn.

Both were recorded electrically, through a microphone rather than a recording horn, well before that technology was available in recording studios.

Before his death in 1929, Berliner lived to see the old recording horn give way to his other invention: the microphone.

When he stepped before the recording horn, Tamagno was in poor health and semi-retirement after a long and demanding career.

A photograph of Norris and D'Oyly Carte colleagues with the huge recording horn used in the acoustic process can be seen here.

The group made prolific early recordings in the days of the pre-electric recording horn, when it was difficult to obtain clear sound from string chamber groups.

A speaker making a record had to shout into a recording horn to successfully record.