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9 jan 1841 ano - The Chalkboard
Descrição:
The chalkboard was used in the class room as a way for teachers and students to write in front of the entire class.
Adicionado na linha do tempo:
25 out 2018
0
0
326
Caroline Ringel Technology Timeline
Data:
9 jan 1841 ano
Agora
~ 183 years ago