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9 Jan 1841 Jahr - The Chalkboard

Beschreibung:

The chalkboard was used in the class room as a way for teachers and students to write in front of the entire class.

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Caroline Ringel Technology Timeline

ByCaroline Ringel

25 Okt 2018

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432

Datum:

9 Jan 1841 Jahr

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~ 184 years ago

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