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For Students 3rd - 8th
The Library of Congress offers a concise history of the toothbrush. Did you know a some form of a toothbrush has been around since 3000 BC?
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Alexander Graham Bell Graphic
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Alexander Graham Bell

For Students 3rd - 8th
Find out who is credited for the invention of the telephone in this brief history.
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Elisha Gray Graphic
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Elisha Gray

For Students 3rd - 8th
Find out who is credited for the invention of the telephone in this brief history.
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Antonio Meucci Graphic
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Antonio Meucci

For Students 3rd - 8th
Find out who is credited for the invention of the telephone in this brief history.
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Photo: Young Boy Skipping Away From Lighthouse. Graphic
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Photo: Young Boy Skipping Away From Lighthouse.

For Students 3rd - 8th
Discover how the light of a lighthouse can be seen from great distances and who is credited with the invention.
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Northern Lights Graphic
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Northern Lights

For Students 3rd - 8th
Northern Lights
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Northern Lights Graphic
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Northern Lights

For Students 3rd - 8th
Northern Lights
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Graphic
Northern Lights Graphic
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Northern Lights

For Students 3rd - 8th
Northern Lights
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