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Helen Betts | all galleries >> Washington, DC: 'A Capital City' > Alexander Graham Bell's Franklin School
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Alexander Graham Bells Franklin School

Alexander Graham Bell's Franklin School

In 1880 Franklin School was the site of a major scientific experiment when Alexander Graham Bell successfully tested his photophone, which transmitted sound over light waves, between the school building and his laboratory nearby on L Street. It's currently a shelter for the homeless.

Sony DSC-H5
1/400s f/7.1 at 14.2mm iso80 full exif

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