Instead of common telephone bell ringers, the first telephones used Morse Code beeps to signal a call.
2.
The busy hum of a city is a cacophonous note, a strident-sounding telephone bell plays an important part and, overall, there s the topnotch musical score by Herschel Burke Gilbert, sometimes used almost too insistently to build a melodramatic mood and in other spots softly emphasizing and making clear the dumb action of the players ."
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