A hundred years ago, the Liberty Bell was sounded for the first time since 1835, and the sound transmitted by telephone to the Panama-Pacific Exposition in San Francisco. The photo here appeared in Popular Mechanics, May 1915.  (More details are available in that month’s issue of Electrical Experimenter.) The article also notes that a phonographic recording was made.  It was apparently recorded again in 1917, but it appears that neither recording has survived.

It was recorded again in 1944 as part of a D-Day broadcast, and there is also a computer-generated recreation of the bell’s original sound.  Both of those recordings are available at the National Park Service.

The same issue of the magazine carries an interesting article summarizing how the warring powers of Europe are using wireless as part of the war.

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